Home / 21,426.48-32,147.28-9,732.24

Finding the Fourth Proportional to 21,426.48, 32,147.28 and 9,732.24

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Solution

The fourth proportional to 21,426.48, 32,147.28 and 9,732.24 is: 14,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426.48 : 32,147.28 = 9,732.24 : x
  2. Step 2: Convert to fraction form
    21,426.48/32,147.28 = 9,732.24/x
  3. Step 3: Cross multiply
    21,426.48x = 32,147.28 × 9,732.24
  4. Step 4: Simplify right side
    21,426.48x = 312,865,044.31
  5. Step 5: Solve for x
    x = 312,865,044.31/21,426.48
  6. Step 6: Final answer
    x = 14,601.79

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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.