Home / 25,474.29-35,155.61-14,143.78

Finding the Fourth Proportional to 25,474.29, 35,155.61 and 14,143.78

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Solution

The fourth proportional to 25,474.29, 35,155.61 and 14,143.78 is: 19,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,474.29 : 35,155.61 = 14,143.78 : x
  2. Step 2: Convert to fraction form
    25,474.29/35,155.61 = 14,143.78/x
  3. Step 3: Cross multiply
    25,474.29x = 35,155.61 × 14,143.78
  4. Step 4: Simplify right side
    25,474.29x = 497,233,365.10
  5. Step 5: Solve for x
    x = 497,233,365.10/25,474.29
  6. Step 6: Final answer
    x = 19,519.03

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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.