Home / 15,189.20-22,786.92-6,424.16

Finding the Fourth Proportional to 15,189.20, 22,786.92 and 6,424.16

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Solution

The fourth proportional to 15,189.20, 22,786.92 and 6,424.16 is: 9,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189.20 : 22,786.92 = 6,424.16 : x
  2. Step 2: Convert to fraction form
    15,189.20/22,786.92 = 6,424.16/x
  3. Step 3: Cross multiply
    15,189.20x = 22,786.92 × 6,424.16
  4. Step 4: Simplify right side
    15,189.20x = 146,386,819.99
  5. Step 5: Solve for x
    x = 146,386,819.99/15,189.20
  6. Step 6: Final answer
    x = 9,637.56

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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.