Home / 22,939.17-31,654.18-12,866.23

Finding the Fourth Proportional to 22,939.17, 31,654.18 and 12,866.23

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Solution

The fourth proportional to 22,939.17, 31,654.18 and 12,866.23 is: 17,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939.17 : 31,654.18 = 12,866.23 : x
  2. Step 2: Convert to fraction form
    22,939.17/31,654.18 = 12,866.23/x
  3. Step 3: Cross multiply
    22,939.17x = 31,654.18 × 12,866.23
  4. Step 4: Simplify right side
    22,939.17x = 407,269,960.34
  5. Step 5: Solve for x
    x = 407,269,960.34/22,939.17
  6. Step 6: Final answer
    x = 17,754.35

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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.