Home / 15,166.50-22,750.56-4,779.06

Finding the Fourth Proportional to 15,166.50, 22,750.56 and 4,779.06

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Solution

The fourth proportional to 15,166.50, 22,750.56 and 4,779.06 is: 7,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.50 : 22,750.56 = 4,779.06 : x
  2. Step 2: Convert to fraction form
    15,166.50/22,750.56 = 4,779.06/x
  3. Step 3: Cross multiply
    15,166.50x = 22,750.56 × 4,779.06
  4. Step 4: Simplify right side
    15,166.50x = 108,726,291.27
  5. Step 5: Solve for x
    x = 108,726,291.27/15,166.50
  6. Step 6: Final answer
    x = 7,168.85

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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.