Home / 25,502.75-35,197.98-21,247.07

Finding the Fourth Proportional to 25,502.75, 35,197.98 and 21,247.07

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Solution

The fourth proportional to 25,502.75, 35,197.98 and 21,247.07 is: 29,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,502.75 : 35,197.98 = 21,247.07 : x
  2. Step 2: Convert to fraction form
    25,502.75/35,197.98 = 21,247.07/x
  3. Step 3: Cross multiply
    25,502.75x = 35,197.98 × 21,247.07
  4. Step 4: Simplify right side
    25,502.75x = 747,853,689.25
  5. Step 5: Solve for x
    x = 747,853,689.25/25,502.75
  6. Step 6: Final answer
    x = 29,324.43

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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.