Home / 25,294.10-37,964.10-12,822.80

Finding the Fourth Proportional to 25,294.10, 37,964.10 and 12,822.80

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Solution

The fourth proportional to 25,294.10, 37,964.10 and 12,822.80 is: 19,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.10 : 37,964.10 = 12,822.80 : x
  2. Step 2: Convert to fraction form
    25,294.10/37,964.10 = 12,822.80/x
  3. Step 3: Cross multiply
    25,294.10x = 37,964.10 × 12,822.80
  4. Step 4: Simplify right side
    25,294.10x = 486,806,061.48
  5. Step 5: Solve for x
    x = 486,806,061.48/25,294.10
  6. Step 6: Final answer
    x = 19,245.83

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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.