Home / 25,162.38-34,721.10-13,830.03

Finding the Fourth Proportional to 25,162.38, 34,721.10 and 13,830.03

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Solution

The fourth proportional to 25,162.38, 34,721.10 and 13,830.03 is: 19,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.38 : 34,721.10 = 13,830.03 : x
  2. Step 2: Convert to fraction form
    25,162.38/34,721.10 = 13,830.03/x
  3. Step 3: Cross multiply
    25,162.38x = 34,721.10 × 13,830.03
  4. Step 4: Simplify right side
    25,162.38x = 480,193,854.63
  5. Step 5: Solve for x
    x = 480,193,854.63/25,162.38
  6. Step 6: Final answer
    x = 19,083.80

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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.