Home / 25,116.38-34,658.63-13,785.85

Finding the Fourth Proportional to 25,116.38, 34,658.63 and 13,785.85

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Solution

The fourth proportional to 25,116.38, 34,658.63 and 13,785.85 is: 19,023.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,116.38 : 34,658.63 = 13,785.85 : x
  2. Step 2: Convert to fraction form
    25,116.38/34,658.63 = 13,785.85/x
  3. Step 3: Cross multiply
    25,116.38x = 34,658.63 × 13,785.85
  4. Step 4: Simplify right side
    25,116.38x = 477,798,583.07
  5. Step 5: Solve for x
    x = 477,798,583.07/25,116.38
  6. Step 6: Final answer
    x = 19,023.39

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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.