Home / 22,747.47-31,391.51-13,316.04

Finding the Fourth Proportional to 22,747.47, 31,391.51 and 13,316.04

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Solution

The fourth proportional to 22,747.47, 31,391.51 and 13,316.04 is: 18,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,747.47 : 31,391.51 = 13,316.04 : x
  2. Step 2: Convert to fraction form
    22,747.47/31,391.51 = 13,316.04/x
  3. Step 3: Cross multiply
    22,747.47x = 31,391.51 × 13,316.04
  4. Step 4: Simplify right side
    22,747.47x = 418,010,602.82
  5. Step 5: Solve for x
    x = 418,010,602.82/22,747.47
  6. Step 6: Final answer
    x = 18,376.14

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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.