Home / 15,587.73-23,377.02-8,470.86

Finding the Fourth Proportional to 15,587.73, 23,377.02 and 8,470.86

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Solution

The fourth proportional to 15,587.73, 23,377.02 and 8,470.86 is: 12,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587.73 : 23,377.02 = 8,470.86 : x
  2. Step 2: Convert to fraction form
    15,587.73/23,377.02 = 8,470.86/x
  3. Step 3: Cross multiply
    15,587.73x = 23,377.02 × 8,470.86
  4. Step 4: Simplify right side
    15,587.73x = 198,023,463.64
  5. Step 5: Solve for x
    x = 198,023,463.64/15,587.73
  6. Step 6: Final answer
    x = 12,703.80

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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.