Home / 25,168.50-34,732.55-13,838.72

Finding the Fourth Proportional to 25,168.50, 34,732.55 and 13,838.72

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Solution

The fourth proportional to 25,168.50, 34,732.55 and 13,838.72 is: 19,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.50 : 34,732.55 = 13,838.72 : x
  2. Step 2: Convert to fraction form
    25,168.50/34,732.55 = 13,838.72/x
  3. Step 3: Cross multiply
    25,168.50x = 34,732.55 × 13,838.72
  4. Step 4: Simplify right side
    25,168.50x = 480,653,791.48
  5. Step 5: Solve for x
    x = 480,653,791.48/25,168.50
  6. Step 6: Final answer
    x = 19,097.43

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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.