Home / 18,709.74-28,063.98-5,562.18

Finding the Fourth Proportional to 18,709.74, 28,063.98 and 5,562.18

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Solution

The fourth proportional to 18,709.74, 28,063.98 and 5,562.18 is: 8,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.74 : 28,063.98 = 5,562.18 : x
  2. Step 2: Convert to fraction form
    18,709.74/28,063.98 = 5,562.18/x
  3. Step 3: Cross multiply
    18,709.74x = 28,063.98 × 5,562.18
  4. Step 4: Simplify right side
    18,709.74x = 156,096,908.28
  5. Step 5: Solve for x
    x = 156,096,908.28/18,709.74
  6. Step 6: Final answer
    x = 8,343.08

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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.