Home / 22,939.60-31,663.38-14,983.06

Finding the Fourth Proportional to 22,939.60, 31,663.38 and 14,983.06

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Solution

The fourth proportional to 22,939.60, 31,663.38 and 14,983.06 is: 20,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939.60 : 31,663.38 = 14,983.06 : x
  2. Step 2: Convert to fraction form
    22,939.60/31,663.38 = 14,983.06/x
  3. Step 3: Cross multiply
    22,939.60x = 31,663.38 × 14,983.06
  4. Step 4: Simplify right side
    22,939.60x = 474,414,322.34
  5. Step 5: Solve for x
    x = 474,414,322.34/22,939.60
  6. Step 6: Final answer
    x = 20,681.02

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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.