Home / 21,473.72-32,149.14-14,535.80

Finding the Fourth Proportional to 21,473.72, 32,149.14 and 14,535.80

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Solution

The fourth proportional to 21,473.72, 32,149.14 and 14,535.80 is: 21,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.72 : 32,149.14 = 14,535.80 : x
  2. Step 2: Convert to fraction form
    21,473.72/32,149.14 = 14,535.80/x
  3. Step 3: Cross multiply
    21,473.72x = 32,149.14 × 14,535.80
  4. Step 4: Simplify right side
    21,473.72x = 467,313,469.21
  5. Step 5: Solve for x
    x = 467,313,469.21/21,473.72
  6. Step 6: Final answer
    x = 21,762.11

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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.