Home / 20,545.60-30,797.28-8,848.96

Finding the Fourth Proportional to 20,545.60, 30,797.28 and 8,848.96

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Solution

The fourth proportional to 20,545.60, 30,797.28 and 8,848.96 is: 13,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.60 : 30,797.28 = 8,848.96 : x
  2. Step 2: Convert to fraction form
    20,545.60/30,797.28 = 8,848.96/x
  3. Step 3: Cross multiply
    20,545.60x = 30,797.28 × 8,848.96
  4. Step 4: Simplify right side
    20,545.60x = 272,523,898.83
  5. Step 5: Solve for x
    x = 272,523,898.83/20,545.60
  6. Step 6: Final answer
    x = 13,264.34

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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.