Home / 24,138.50-36,189.20-9,145.40

Finding the Fourth Proportional to 24,138.50, 36,189.20 and 9,145.40

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Solution

The fourth proportional to 24,138.50, 36,189.20 and 9,145.40 is: 13,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,138.50 : 36,189.20 = 9,145.40 : x
  2. Step 2: Convert to fraction form
    24,138.50/36,189.20 = 9,145.40/x
  3. Step 3: Cross multiply
    24,138.50x = 36,189.20 × 9,145.40
  4. Step 4: Simplify right side
    24,138.50x = 330,964,709.68
  5. Step 5: Solve for x
    x = 330,964,709.68/24,138.50
  6. Step 6: Final answer
    x = 13,711.07

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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.