Home / 25,155.47-34,712.29-13,824.84

Finding the Fourth Proportional to 25,155.47, 34,712.29 and 13,824.84

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Solution

The fourth proportional to 25,155.47, 34,712.29 and 13,824.84 is: 19,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.47 : 34,712.29 = 13,824.84 : x
  2. Step 2: Convert to fraction form
    25,155.47/34,712.29 = 13,824.84/x
  3. Step 3: Cross multiply
    25,155.47x = 34,712.29 × 13,824.84
  4. Step 4: Simplify right side
    25,155.47x = 479,891,786.16
  5. Step 5: Solve for x
    x = 479,891,786.16/25,155.47
  6. Step 6: Final answer
    x = 19,077.04

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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.