Home / 15,475.88-23,210.87-4,379.90

Finding the Fourth Proportional to 15,475.88, 23,210.87 and 4,379.90

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Solution

The fourth proportional to 15,475.88, 23,210.87 and 4,379.90 is: 6,569.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.88 : 23,210.87 = 4,379.90 : x
  2. Step 2: Convert to fraction form
    15,475.88/23,210.87 = 4,379.90/x
  3. Step 3: Cross multiply
    15,475.88x = 23,210.87 × 4,379.90
  4. Step 4: Simplify right side
    15,475.88x = 101,661,151.56
  5. Step 5: Solve for x
    x = 101,661,151.56/15,475.88
  6. Step 6: Final answer
    x = 6,569.01

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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.