Home / 25,126.47-34,675.19-13,796.70

Finding the Fourth Proportional to 25,126.47, 34,675.19 and 13,796.70

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Solution

The fourth proportional to 25,126.47, 34,675.19 and 13,796.70 is: 19,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,126.47 : 34,675.19 = 13,796.70 : x
  2. Step 2: Convert to fraction form
    25,126.47/34,675.19 = 13,796.70/x
  3. Step 3: Cross multiply
    25,126.47x = 34,675.19 × 13,796.70
  4. Step 4: Simplify right side
    25,126.47x = 478,403,046.60
  5. Step 5: Solve for x
    x = 478,403,046.60/25,126.47
  6. Step 6: Final answer
    x = 19,039.80

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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.