Home / 12,495.48-18,752.43-5,921.66

Finding the Fourth Proportional to 12,495.48, 18,752.43 and 5,921.66

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Solution

The fourth proportional to 12,495.48, 18,752.43 and 5,921.66 is: 8,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.48 : 18,752.43 = 5,921.66 : x
  2. Step 2: Convert to fraction form
    12,495.48/18,752.43 = 5,921.66/x
  3. Step 3: Cross multiply
    12,495.48x = 18,752.43 × 5,921.66
  4. Step 4: Simplify right side
    12,495.48x = 111,045,420.87
  5. Step 5: Solve for x
    x = 111,045,420.87/12,495.48
  6. Step 6: Final answer
    x = 8,886.85

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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.