Home / 24,423.80-36,635.70-18,518.90

Finding the Fourth Proportional to 24,423.80, 36,635.70 and 18,518.90

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Solution

The fourth proportional to 24,423.80, 36,635.70 and 18,518.90 is: 27,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,423.80 : 36,635.70 = 18,518.90 : x
  2. Step 2: Convert to fraction form
    24,423.80/36,635.70 = 18,518.90/x
  3. Step 3: Cross multiply
    24,423.80x = 36,635.70 × 18,518.90
  4. Step 4: Simplify right side
    24,423.80x = 678,452,864.73
  5. Step 5: Solve for x
    x = 678,452,864.73/24,423.80
  6. Step 6: Final answer
    x = 27,778.35

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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.