Home / 13,632.87-20,437.15-4,865.84

Finding the Fourth Proportional to 13,632.87, 20,437.15 and 4,865.84

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Solution

The fourth proportional to 13,632.87, 20,437.15 and 4,865.84 is: 7,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.87 : 20,437.15 = 4,865.84 : x
  2. Step 2: Convert to fraction form
    13,632.87/20,437.15 = 4,865.84/x
  3. Step 3: Cross multiply
    13,632.87x = 20,437.15 × 4,865.84
  4. Step 4: Simplify right side
    13,632.87x = 99,443,901.96
  5. Step 5: Solve for x
    x = 99,443,901.96/13,632.87
  6. Step 6: Final answer
    x = 7,294.42

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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.