Home / 25,445.95-35,115.17-14,115.47

Finding the Fourth Proportional to 25,445.95, 35,115.17 and 14,115.47

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Solution

The fourth proportional to 25,445.95, 35,115.17 and 14,115.47 is: 19,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.95 : 35,115.17 = 14,115.47 : x
  2. Step 2: Convert to fraction form
    25,445.95/35,115.17 = 14,115.47/x
  3. Step 3: Cross multiply
    25,445.95x = 35,115.17 × 14,115.47
  4. Step 4: Simplify right side
    25,445.95x = 495,666,882.53
  5. Step 5: Solve for x
    x = 495,666,882.53/25,445.95
  6. Step 6: Final answer
    x = 19,479.21

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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.