Home / 13,732.74-20,594.25-8,470.58

Finding the Fourth Proportional to 13,732.74, 20,594.25 and 8,470.58

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Solution

The fourth proportional to 13,732.74, 20,594.25 and 8,470.58 is: 12,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.74 : 20,594.25 = 8,470.58 : x
  2. Step 2: Convert to fraction form
    13,732.74/20,594.25 = 8,470.58/x
  3. Step 3: Cross multiply
    13,732.74x = 20,594.25 × 8,470.58
  4. Step 4: Simplify right side
    13,732.74x = 174,445,139.19
  5. Step 5: Solve for x
    x = 174,445,139.19/13,732.74
  6. Step 6: Final answer
    x = 12,702.86

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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.