Home / 22,693.32-31,294.44-21,381.12

Finding the Fourth Proportional to 22,693.32, 31,294.44 and 21,381.12

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Solution

The fourth proportional to 22,693.32, 31,294.44 and 21,381.12 is: 29,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.32 : 31,294.44 = 21,381.12 : x
  2. Step 2: Convert to fraction form
    22,693.32/31,294.44 = 21,381.12/x
  3. Step 3: Cross multiply
    22,693.32x = 31,294.44 × 21,381.12
  4. Step 4: Simplify right side
    22,693.32x = 669,110,176.97
  5. Step 5: Solve for x
    x = 669,110,176.97/22,693.32
  6. Step 6: Final answer
    x = 29,484.90

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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.