Home / 25,218.18-34,808.76-15,148.26

Finding the Fourth Proportional to 25,218.18, 34,808.76 and 15,148.26

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Solution

The fourth proportional to 25,218.18, 34,808.76 and 15,148.26 is: 20,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.18 : 34,808.76 = 15,148.26 : x
  2. Step 2: Convert to fraction form
    25,218.18/34,808.76 = 15,148.26/x
  3. Step 3: Cross multiply
    25,218.18x = 34,808.76 × 15,148.26
  4. Step 4: Simplify right side
    25,218.18x = 527,292,146.76
  5. Step 5: Solve for x
    x = 527,292,146.76/25,218.18
  6. Step 6: Final answer
    x = 20,909.21

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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.