Home / 25,972.61-38,740.16-21,763.85

Finding the Fourth Proportional to 25,972.61, 38,740.16 and 21,763.85

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Solution

The fourth proportional to 25,972.61, 38,740.16 and 21,763.85 is: 32,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.61 : 38,740.16 = 21,763.85 : x
  2. Step 2: Convert to fraction form
    25,972.61/38,740.16 = 21,763.85/x
  3. Step 3: Cross multiply
    25,972.61x = 38,740.16 × 21,763.85
  4. Step 4: Simplify right side
    25,972.61x = 843,134,891.92
  5. Step 5: Solve for x
    x = 843,134,891.92/25,972.61
  6. Step 6: Final answer
    x = 32,462.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.