Home / 15,191.40-22,786.92-4,803.12

Finding the Fourth Proportional to 15,191.40, 22,786.92 and 4,803.12

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Solution

The fourth proportional to 15,191.40, 22,786.92 and 4,803.12 is: 7,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.40 : 22,786.92 = 4,803.12 : x
  2. Step 2: Convert to fraction form
    15,191.40/22,786.92 = 4,803.12/x
  3. Step 3: Cross multiply
    15,191.40x = 22,786.92 × 4,803.12
  4. Step 4: Simplify right side
    15,191.40x = 109,448,311.19
  5. Step 5: Solve for x
    x = 109,448,311.19/15,191.40
  6. Step 6: Final answer
    x = 7,204.62

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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.