Home / 21,527.28-32,295.35-9,039.96

Finding the Fourth Proportional to 21,527.28, 32,295.35 and 9,039.96

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Solution

The fourth proportional to 21,527.28, 32,295.35 and 9,039.96 is: 13,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.28 : 32,295.35 = 9,039.96 : x
  2. Step 2: Convert to fraction form
    21,527.28/32,295.35 = 9,039.96/x
  3. Step 3: Cross multiply
    21,527.28x = 32,295.35 × 9,039.96
  4. Step 4: Simplify right side
    21,527.28x = 291,948,672.19
  5. Step 5: Solve for x
    x = 291,948,672.19/21,527.28
  6. Step 6: Final answer
    x = 13,561.80

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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.