Home / 21,591.79-32,385.56-7,549.22

Finding the Fourth Proportional to 21,591.79, 32,385.56 and 7,549.22

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Solution

The fourth proportional to 21,591.79, 32,385.56 and 7,549.22 is: 11,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.79 : 32,385.56 = 7,549.22 : x
  2. Step 2: Convert to fraction form
    21,591.79/32,385.56 = 7,549.22/x
  3. Step 3: Cross multiply
    21,591.79x = 32,385.56 × 7,549.22
  4. Step 4: Simplify right side
    21,591.79x = 244,485,760.48
  5. Step 5: Solve for x
    x = 244,485,760.48/21,591.79
  6. Step 6: Final answer
    x = 11,323.09

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1.5x scale

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.