Home / 15,406.46-23,109.61-5,545.70

Finding the Fourth Proportional to 15,406.46, 23,109.61 and 5,545.70

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Solution

The fourth proportional to 15,406.46, 23,109.61 and 5,545.70 is: 8,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.46 : 23,109.61 = 5,545.70 : x
  2. Step 2: Convert to fraction form
    15,406.46/23,109.61 = 5,545.70/x
  3. Step 3: Cross multiply
    15,406.46x = 23,109.61 × 5,545.70
  4. Step 4: Simplify right side
    15,406.46x = 128,158,964.18
  5. Step 5: Solve for x
    x = 128,158,964.18/15,406.46
  6. Step 6: Final answer
    x = 8,318.52

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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.