Home / 25,167.87-34,733.10-13,838.40

Finding the Fourth Proportional to 25,167.87, 34,733.10 and 13,838.40

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Solution

The fourth proportional to 25,167.87, 34,733.10 and 13,838.40 is: 19,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,167.87 : 34,733.10 = 13,838.40 : x
  2. Step 2: Convert to fraction form
    25,167.87/34,733.10 = 13,838.40/x
  3. Step 3: Cross multiply
    25,167.87x = 34,733.10 × 13,838.40
  4. Step 4: Simplify right side
    25,167.87x = 480,650,531.04
  5. Step 5: Solve for x
    x = 480,650,531.04/25,167.87
  6. Step 6: Final answer
    x = 19,097.78

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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.