Home / 25,863.68-38,818.56-12,020.48

Finding the Fourth Proportional to 25,863.68, 38,818.56 and 12,020.48

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Solution

The fourth proportional to 25,863.68, 38,818.56 and 12,020.48 is: 18,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,863.68 : 38,818.56 = 12,020.48 : x
  2. Step 2: Convert to fraction form
    25,863.68/38,818.56 = 12,020.48/x
  3. Step 3: Cross multiply
    25,863.68x = 38,818.56 × 12,020.48
  4. Step 4: Simplify right side
    25,863.68x = 466,617,724.11
  5. Step 5: Solve for x
    x = 466,617,724.11/25,863.68
  6. Step 6: Final answer
    x = 18,041.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.