Home / 25,190.59-34,763.17-13,860.80

Finding the Fourth Proportional to 25,190.59, 34,763.17 and 13,860.80

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Solution

The fourth proportional to 25,190.59, 34,763.17 and 13,860.80 is: 19,127.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.59 : 34,763.17 = 13,860.80 : x
  2. Step 2: Convert to fraction form
    25,190.59/34,763.17 = 13,860.80/x
  3. Step 3: Cross multiply
    25,190.59x = 34,763.17 × 13,860.80
  4. Step 4: Simplify right side
    25,190.59x = 481,845,346.74
  5. Step 5: Solve for x
    x = 481,845,346.74/25,190.59
  6. Step 6: Final answer
    x = 19,127.99

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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.