Home / 16,389.72-24,542.04-13,750.80

Finding the Fourth Proportional to 16,389.72, 24,542.04 and 13,750.80

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Solution

The fourth proportional to 16,389.72, 24,542.04 and 13,750.80 is: 20,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.72 : 24,542.04 = 13,750.80 : x
  2. Step 2: Convert to fraction form
    16,389.72/24,542.04 = 13,750.80/x
  3. Step 3: Cross multiply
    16,389.72x = 24,542.04 × 13,750.80
  4. Step 4: Simplify right side
    16,389.72x = 337,472,683.63
  5. Step 5: Solve for x
    x = 337,472,683.63/16,389.72
  6. Step 6: Final answer
    x = 20,590.51

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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.