Home / 21,425.04-32,147.28-11,044.08

Finding the Fourth Proportional to 21,425.04, 32,147.28 and 11,044.08

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Solution

The fourth proportional to 21,425.04, 32,147.28 and 11,044.08 is: 16,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.04 : 32,147.28 = 11,044.08 : x
  2. Step 2: Convert to fraction form
    21,425.04/32,147.28 = 11,044.08/x
  3. Step 3: Cross multiply
    21,425.04x = 32,147.28 × 11,044.08
  4. Step 4: Simplify right side
    21,425.04x = 355,037,132.10
  5. Step 5: Solve for x
    x = 355,037,132.10/21,425.04
  6. Step 6: Final answer
    x = 16,571.13

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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.