Home / 15,508.20-23,261.94-4,978.25

Finding the Fourth Proportional to 15,508.20, 23,261.94 and 4,978.25

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Solution

The fourth proportional to 15,508.20, 23,261.94 and 4,978.25 is: 7,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,508.20 : 23,261.94 = 4,978.25 : x
  2. Step 2: Convert to fraction form
    15,508.20/23,261.94 = 4,978.25/x
  3. Step 3: Cross multiply
    15,508.20x = 23,261.94 × 4,978.25
  4. Step 4: Simplify right side
    15,508.20x = 115,803,752.81
  5. Step 5: Solve for x
    x = 115,803,752.81/15,508.20
  6. Step 6: Final answer
    x = 7,467.26

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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.