Home / 25,155.98-34,715.92-13,825.80

Finding the Fourth Proportional to 25,155.98, 34,715.92 and 13,825.80

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Solution

The fourth proportional to 25,155.98, 34,715.92 and 13,825.80 is: 19,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.98 : 34,715.92 = 13,825.80 : x
  2. Step 2: Convert to fraction form
    25,155.98/34,715.92 = 13,825.80/x
  3. Step 3: Cross multiply
    25,155.98x = 34,715.92 × 13,825.80
  4. Step 4: Simplify right side
    25,155.98x = 479,975,366.74
  5. Step 5: Solve for x
    x = 479,975,366.74/25,155.98
  6. Step 6: Final answer
    x = 19,079.97

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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.