Home / 22,557.33-31,121.96-13,124.07

Finding the Fourth Proportional to 22,557.33, 31,121.96 and 13,124.07

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Solution

The fourth proportional to 22,557.33, 31,121.96 and 13,124.07 is: 18,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,557.33 : 31,121.96 = 13,124.07 : x
  2. Step 2: Convert to fraction form
    22,557.33/31,121.96 = 13,124.07/x
  3. Step 3: Cross multiply
    22,557.33x = 31,121.96 × 13,124.07
  4. Step 4: Simplify right side
    22,557.33x = 408,446,892.19
  5. Step 5: Solve for x
    x = 408,446,892.19/22,557.33
  6. Step 6: Final answer
    x = 18,107.06

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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.