Home / 23,720.80-32,737.24-13,649.68

Finding the Fourth Proportional to 23,720.80, 32,737.24 and 13,649.68

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Solution

The fourth proportional to 23,720.80, 32,737.24 and 13,649.68 is: 18,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.80 : 32,737.24 = 13,649.68 : x
  2. Step 2: Convert to fraction form
    23,720.80/32,737.24 = 13,649.68/x
  3. Step 3: Cross multiply
    23,720.80x = 32,737.24 × 13,649.68
  4. Step 4: Simplify right side
    23,720.80x = 446,852,850.08
  5. Step 5: Solve for x
    x = 446,852,850.08/23,720.80
  6. Step 6: Final answer
    x = 18,838.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.