Home / 25,142.50-34,696.57-13,811.97

Finding the Fourth Proportional to 25,142.50, 34,696.57 and 13,811.97

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Solution

The fourth proportional to 25,142.50, 34,696.57 and 13,811.97 is: 19,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.50 : 34,696.57 = 13,811.97 : x
  2. Step 2: Convert to fraction form
    25,142.50/34,696.57 = 13,811.97/x
  3. Step 3: Cross multiply
    25,142.50x = 34,696.57 × 13,811.97
  4. Step 4: Simplify right side
    25,142.50x = 479,227,983.94
  5. Step 5: Solve for x
    x = 479,227,983.94/25,142.50
  6. Step 6: Final answer
    x = 19,060.47

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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.