Home / 34,213.64-47,212.13-19,105.12

Finding the Fourth Proportional to 34,213.64, 47,212.13 and 19,105.12

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Solution

The fourth proportional to 34,213.64, 47,212.13 and 19,105.12 is: 26,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,213.64 : 47,212.13 = 19,105.12 : x
  2. Step 2: Convert to fraction form
    34,213.64/47,212.13 = 19,105.12/x
  3. Step 3: Cross multiply
    34,213.64x = 47,212.13 × 19,105.12
  4. Step 4: Simplify right side
    34,213.64x = 901,993,409.11
  5. Step 5: Solve for x
    x = 901,993,409.11/34,213.64
  6. Step 6: Final answer
    x = 26,363.56

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Half scale
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Double scale
Find fourth proportional to 34,214.64, 47,213.51 and 19,106.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.