Home / 25,512.10-38,268.23-7,742.90

Finding the Fourth Proportional to 25,512.10, 38,268.23 and 7,742.90

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Solution

The fourth proportional to 25,512.10, 38,268.23 and 7,742.90 is: 11,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,512.10 : 38,268.23 = 7,742.90 : x
  2. Step 2: Convert to fraction form
    25,512.10/38,268.23 = 7,742.90/x
  3. Step 3: Cross multiply
    25,512.10x = 38,268.23 × 7,742.90
  4. Step 4: Simplify right side
    25,512.10x = 296,307,135.02
  5. Step 5: Solve for x
    x = 296,307,135.02/25,512.10
  6. Step 6: Final answer
    x = 11,614.38

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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.