Home / 19,720.46-27,214.65-10,768.34

Finding the Fourth Proportional to 19,720.46, 27,214.65 and 10,768.34

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Solution

The fourth proportional to 19,720.46, 27,214.65 and 10,768.34 is: 14,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.46 : 27,214.65 = 10,768.34 : x
  2. Step 2: Convert to fraction form
    19,720.46/27,214.65 = 10,768.34/x
  3. Step 3: Cross multiply
    19,720.46x = 27,214.65 × 10,768.34
  4. Step 4: Simplify right side
    19,720.46x = 293,056,672.22
  5. Step 5: Solve for x
    x = 293,056,672.22/19,720.46
  6. Step 6: Final answer
    x = 14,860.54

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Half scale
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Double scale
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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.