Home / 16,581.70-24,836.10-13,301.20

Finding the Fourth Proportional to 16,581.70, 24,836.10 and 13,301.20

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Solution

The fourth proportional to 16,581.70, 24,836.10 and 13,301.20 is: 19,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.70 : 24,836.10 = 13,301.20 : x
  2. Step 2: Convert to fraction form
    16,581.70/24,836.10 = 13,301.20/x
  3. Step 3: Cross multiply
    16,581.70x = 24,836.10 × 13,301.20
  4. Step 4: Simplify right side
    16,581.70x = 330,349,933.32
  5. Step 5: Solve for x
    x = 330,349,933.32/16,581.70
  6. Step 6: Final answer
    x = 19,922.56

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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.