Home / 25,022.80-34,531.28-14,414.40

Finding the Fourth Proportional to 25,022.80, 34,531.28 and 14,414.40

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Solution

The fourth proportional to 25,022.80, 34,531.28 and 14,414.40 is: 19,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,022.80 : 34,531.28 = 14,414.40 : x
  2. Step 2: Convert to fraction form
    25,022.80/34,531.28 = 14,414.40/x
  3. Step 3: Cross multiply
    25,022.80x = 34,531.28 × 14,414.40
  4. Step 4: Simplify right side
    25,022.80x = 497,747,682.43
  5. Step 5: Solve for x
    x = 497,747,682.43/25,022.80
  6. Step 6: Final answer
    x = 19,891.77

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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.