Home / 15,196.36-22,780.68-5,330.20

Finding the Fourth Proportional to 15,196.36, 22,780.68 and 5,330.20

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Solution

The fourth proportional to 15,196.36, 22,780.68 and 5,330.20 is: 7,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.36 : 22,780.68 = 5,330.20 : x
  2. Step 2: Convert to fraction form
    15,196.36/22,780.68 = 5,330.20/x
  3. Step 3: Cross multiply
    15,196.36x = 22,780.68 × 5,330.20
  4. Step 4: Simplify right side
    15,196.36x = 121,425,580.54
  5. Step 5: Solve for x
    x = 121,425,580.54/15,196.36
  6. Step 6: Final answer
    x = 7,990.44

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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.