Home / 15,385.24-23,081.38-4,855.22

Finding the Fourth Proportional to 15,385.24, 23,081.38 and 4,855.22

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Solution

The fourth proportional to 15,385.24, 23,081.38 and 4,855.22 is: 7,283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.24 : 23,081.38 = 4,855.22 : x
  2. Step 2: Convert to fraction form
    15,385.24/23,081.38 = 4,855.22/x
  3. Step 3: Cross multiply
    15,385.24x = 23,081.38 × 4,855.22
  4. Step 4: Simplify right side
    15,385.24x = 112,065,177.80
  5. Step 5: Solve for x
    x = 112,065,177.80/15,385.24
  6. Step 6: Final answer
    x = 7,283.94

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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.