Home / 15,183.59-22,775.18-12,581.06

Finding the Fourth Proportional to 15,183.59, 22,775.18 and 12,581.06

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Solution

The fourth proportional to 15,183.59, 22,775.18 and 12,581.06 is: 18,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.59 : 22,775.18 = 12,581.06 : x
  2. Step 2: Convert to fraction form
    15,183.59/22,775.18 = 12,581.06/x
  3. Step 3: Cross multiply
    15,183.59x = 22,775.18 × 12,581.06
  4. Step 4: Simplify right side
    15,183.59x = 286,535,729.31
  5. Step 5: Solve for x
    x = 286,535,729.31/15,183.59
  6. Step 6: Final answer
    x = 18,871.41

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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.