Home / 15,020.32-20,726.76-8,733.04

Finding the Fourth Proportional to 15,020.32, 20,726.76 and 8,733.04

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Solution

The fourth proportional to 15,020.32, 20,726.76 and 8,733.04 is: 12,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.32 : 20,726.76 = 8,733.04 : x
  2. Step 2: Convert to fraction form
    15,020.32/20,726.76 = 8,733.04/x
  3. Step 3: Cross multiply
    15,020.32x = 20,726.76 × 8,733.04
  4. Step 4: Simplify right side
    15,020.32x = 181,007,624.15
  5. Step 5: Solve for x
    x = 181,007,624.15/15,020.32
  6. Step 6: Final answer
    x = 12,050.85

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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.