Home / 21,580.13-32,323.20-10,463.28

Finding the Fourth Proportional to 21,580.13, 32,323.20 and 10,463.28

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Solution

The fourth proportional to 21,580.13, 32,323.20 and 10,463.28 is: 15,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580.13 : 32,323.20 = 10,463.28 : x
  2. Step 2: Convert to fraction form
    21,580.13/32,323.20 = 10,463.28/x
  3. Step 3: Cross multiply
    21,580.13x = 32,323.20 × 10,463.28
  4. Step 4: Simplify right side
    21,580.13x = 338,206,692.10
  5. Step 5: Solve for x
    x = 338,206,692.10/21,580.13
  6. Step 6: Final answer
    x = 15,672.14

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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.