Home / 15,022.18-22,534.80-5,160.18

Finding the Fourth Proportional to 15,022.18, 22,534.80 and 5,160.18

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Solution

The fourth proportional to 15,022.18, 22,534.80 and 5,160.18 is: 7,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.18 : 22,534.80 = 5,160.18 : x
  2. Step 2: Convert to fraction form
    15,022.18/22,534.80 = 5,160.18/x
  3. Step 3: Cross multiply
    15,022.18x = 22,534.80 × 5,160.18
  4. Step 4: Simplify right side
    15,022.18x = 116,283,624.26
  5. Step 5: Solve for x
    x = 116,283,624.26/15,022.18
  6. Step 6: Final answer
    x = 7,740.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.