Home / 22,250.06-30,705.15-12,178.92

Finding the Fourth Proportional to 22,250.06, 30,705.15 and 12,178.92

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Solution

The fourth proportional to 22,250.06, 30,705.15 and 12,178.92 is: 16,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.06 : 30,705.15 = 12,178.92 : x
  2. Step 2: Convert to fraction form
    22,250.06/30,705.15 = 12,178.92/x
  3. Step 3: Cross multiply
    22,250.06x = 30,705.15 × 12,178.92
  4. Step 4: Simplify right side
    22,250.06x = 373,955,565.44
  5. Step 5: Solve for x
    x = 373,955,565.44/22,250.06
  6. Step 6: Final answer
    x = 16,806.95

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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.