Home / 15,187.18-22,784.01-5,327.05

Finding the Fourth Proportional to 15,187.18, 22,784.01 and 5,327.05

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Solution

The fourth proportional to 15,187.18, 22,784.01 and 5,327.05 is: 7,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.18 : 22,784.01 = 5,327.05 : x
  2. Step 2: Convert to fraction form
    15,187.18/22,784.01 = 5,327.05/x
  3. Step 3: Cross multiply
    15,187.18x = 22,784.01 × 5,327.05
  4. Step 4: Simplify right side
    15,187.18x = 121,371,560.47
  5. Step 5: Solve for x
    x = 121,371,560.47/15,187.18
  6. Step 6: Final answer
    x = 7,991.71

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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.