Home / 22,507.92-31,068.36-14,127.12

Finding the Fourth Proportional to 22,507.92, 31,068.36 and 14,127.12

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Solution

The fourth proportional to 22,507.92, 31,068.36 and 14,127.12 is: 19,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,507.92 : 31,068.36 = 14,127.12 : x
  2. Step 2: Convert to fraction form
    22,507.92/31,068.36 = 14,127.12/x
  3. Step 3: Cross multiply
    22,507.92x = 31,068.36 × 14,127.12
  4. Step 4: Simplify right side
    22,507.92x = 438,906,449.92
  5. Step 5: Solve for x
    x = 438,906,449.92/22,507.92
  6. Step 6: Final answer
    x = 19,500.09

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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.