Home / 25,233.24-34,820.21-15,155.70

Finding the Fourth Proportional to 25,233.24, 34,820.21 and 15,155.70

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Solution

The fourth proportional to 25,233.24, 34,820.21 and 15,155.70 is: 20,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,233.24 : 34,820.21 = 15,155.70 : x
  2. Step 2: Convert to fraction form
    25,233.24/34,820.21 = 15,155.70/x
  3. Step 3: Cross multiply
    25,233.24x = 34,820.21 × 15,155.70
  4. Step 4: Simplify right side
    25,233.24x = 527,724,656.70
  5. Step 5: Solve for x
    x = 527,724,656.70/25,233.24
  6. Step 6: Final answer
    x = 20,913.87

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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.