Home / 23,108.62-31,889.90-13,039.19

Finding the Fourth Proportional to 23,108.62, 31,889.90 and 13,039.19

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Solution

The fourth proportional to 23,108.62, 31,889.90 and 13,039.19 is: 17,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.62 : 31,889.90 = 13,039.19 : x
  2. Step 2: Convert to fraction form
    23,108.62/31,889.90 = 13,039.19/x
  3. Step 3: Cross multiply
    23,108.62x = 31,889.90 × 13,039.19
  4. Step 4: Simplify right side
    23,108.62x = 415,818,399.99
  5. Step 5: Solve for x
    x = 415,818,399.99/23,108.62
  6. Step 6: Final answer
    x = 17,994.09

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Half scale
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Double scale
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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.