Home / 23,720.72-32,734.28-13,649.25

Finding the Fourth Proportional to 23,720.72, 32,734.28 and 13,649.25

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Solution

The fourth proportional to 23,720.72, 32,734.28 and 13,649.25 is: 18,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.72 : 32,734.28 = 13,649.25 : x
  2. Step 2: Convert to fraction form
    23,720.72/32,734.28 = 13,649.25/x
  3. Step 3: Cross multiply
    23,720.72x = 32,734.28 × 13,649.25
  4. Step 4: Simplify right side
    23,720.72x = 446,798,371.29
  5. Step 5: Solve for x
    x = 446,798,371.29/23,720.72
  6. Step 6: Final answer
    x = 18,835.78

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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.