Home / 22,937.13-31,653.50-12,728.37

Finding the Fourth Proportional to 22,937.13, 31,653.50 and 12,728.37

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Solution

The fourth proportional to 22,937.13, 31,653.50 and 12,728.37 is: 17,565.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,937.13 : 31,653.50 = 12,728.37 : x
  2. Step 2: Convert to fraction form
    22,937.13/31,653.50 = 12,728.37/x
  3. Step 3: Cross multiply
    22,937.13x = 31,653.50 × 12,728.37
  4. Step 4: Simplify right side
    22,937.13x = 402,897,325.18
  5. Step 5: Solve for x
    x = 402,897,325.18/22,937.13
  6. Step 6: Final answer
    x = 17,565.29

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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.