Home / 15,338.20-23,015.76-7,547.08

Finding the Fourth Proportional to 15,338.20, 23,015.76 and 7,547.08

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Solution

The fourth proportional to 15,338.20, 23,015.76 and 7,547.08 is: 11,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.20 : 23,015.76 = 7,547.08 : x
  2. Step 2: Convert to fraction form
    15,338.20/23,015.76 = 7,547.08/x
  3. Step 3: Cross multiply
    15,338.20x = 23,015.76 × 7,547.08
  4. Step 4: Simplify right side
    15,338.20x = 173,701,781.98
  5. Step 5: Solve for x
    x = 173,701,781.98/15,338.20
  6. Step 6: Final answer
    x = 11,324.78

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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.