Home / 22,432.15-30,956.40-12,223.13

Finding the Fourth Proportional to 22,432.15, 30,956.40 and 12,223.13

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Solution

The fourth proportional to 22,432.15, 30,956.40 and 12,223.13 is: 16,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,432.15 : 30,956.40 = 12,223.13 : x
  2. Step 2: Convert to fraction form
    22,432.15/30,956.40 = 12,223.13/x
  3. Step 3: Cross multiply
    22,432.15x = 30,956.40 × 12,223.13
  4. Step 4: Simplify right side
    22,432.15x = 378,384,101.53
  5. Step 5: Solve for x
    x = 378,384,101.53/22,432.15
  6. Step 6: Final answer
    x = 16,867.94

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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.