Home / 15,749.90-23,613.11-6,863.54

Finding the Fourth Proportional to 15,749.90, 23,613.11 and 6,863.54

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Solution

The fourth proportional to 15,749.90, 23,613.11 and 6,863.54 is: 10,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.90 : 23,613.11 = 6,863.54 : x
  2. Step 2: Convert to fraction form
    15,749.90/23,613.11 = 6,863.54/x
  3. Step 3: Cross multiply
    15,749.90x = 23,613.11 × 6,863.54
  4. Step 4: Simplify right side
    15,749.90x = 162,069,490.69
  5. Step 5: Solve for x
    x = 162,069,490.69/15,749.90
  6. Step 6: Final answer
    x = 10,290.19

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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.