Home / 25,278.95-34,884.72-13,948.55

Finding the Fourth Proportional to 25,278.95, 34,884.72 and 13,948.55

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Solution

The fourth proportional to 25,278.95, 34,884.72 and 13,948.55 is: 19,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.95 : 34,884.72 = 13,948.55 : x
  2. Step 2: Convert to fraction form
    25,278.95/34,884.72 = 13,948.55/x
  3. Step 3: Cross multiply
    25,278.95x = 34,884.72 × 13,948.55
  4. Step 4: Simplify right side
    25,278.95x = 486,591,261.16
  5. Step 5: Solve for x
    x = 486,591,261.16/25,278.95
  6. Step 6: Final answer
    x = 19,248.87

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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.