Home / 15,324.20-22,986.30-7,531.40

Finding the Fourth Proportional to 15,324.20, 22,986.30 and 7,531.40

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Solution

The fourth proportional to 15,324.20, 22,986.30 and 7,531.40 is: 11,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324.20 : 22,986.30 = 7,531.40 : x
  2. Step 2: Convert to fraction form
    15,324.20/22,986.30 = 7,531.40/x
  3. Step 3: Cross multiply
    15,324.20x = 22,986.30 × 7,531.40
  4. Step 4: Simplify right side
    15,324.20x = 173,119,019.82
  5. Step 5: Solve for x
    x = 173,119,019.82/15,324.20
  6. Step 6: Final answer
    x = 11,297.10

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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.