Home / 21,562.36-32,332.58-9,865.55

Finding the Fourth Proportional to 21,562.36, 32,332.58 and 9,865.55

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Solution

The fourth proportional to 21,562.36, 32,332.58 and 9,865.55 is: 14,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,562.36 : 32,332.58 = 9,865.55 : x
  2. Step 2: Convert to fraction form
    21,562.36/32,332.58 = 9,865.55/x
  3. Step 3: Cross multiply
    21,562.36x = 32,332.58 × 9,865.55
  4. Step 4: Simplify right side
    21,562.36x = 318,978,753.12
  5. Step 5: Solve for x
    x = 318,978,753.12/21,562.36
  6. Step 6: Final answer
    x = 14,793.32

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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.