Home / 15,196.86-22,781.37-5,330.76

Finding the Fourth Proportional to 15,196.86, 22,781.37 and 5,330.76

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Solution

The fourth proportional to 15,196.86, 22,781.37 and 5,330.76 is: 7,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.86 : 22,781.37 = 5,330.76 : x
  2. Step 2: Convert to fraction form
    15,196.86/22,781.37 = 5,330.76/x
  3. Step 3: Cross multiply
    15,196.86x = 22,781.37 × 5,330.76
  4. Step 4: Simplify right side
    15,196.86x = 121,442,015.94
  5. Step 5: Solve for x
    x = 121,442,015.94/15,196.86
  6. Step 6: Final answer
    x = 7,991.26

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1.5x scale

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.