Home / 28,095.56-42,154.68-12,502.52

Finding the Fourth Proportional to 28,095.56, 42,154.68 and 12,502.52

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Solution

The fourth proportional to 28,095.56, 42,154.68 and 12,502.52 is: 18,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095.56 : 42,154.68 = 12,502.52 : x
  2. Step 2: Convert to fraction form
    28,095.56/42,154.68 = 12,502.52/x
  3. Step 3: Cross multiply
    28,095.56x = 42,154.68 × 12,502.52
  4. Step 4: Simplify right side
    28,095.56x = 527,039,729.79
  5. Step 5: Solve for x
    x = 527,039,729.79/28,095.56
  6. Step 6: Final answer
    x = 18,758.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.