Home / 17,022.90-25,516.78-12,331.10

Finding the Fourth Proportional to 17,022.90, 25,516.78 and 12,331.10

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Solution

The fourth proportional to 17,022.90, 25,516.78 and 12,331.10 is: 18,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,022.90 : 25,516.78 = 12,331.10 : x
  2. Step 2: Convert to fraction form
    17,022.90/25,516.78 = 12,331.10/x
  3. Step 3: Cross multiply
    17,022.90x = 25,516.78 × 12,331.10
  4. Step 4: Simplify right side
    17,022.90x = 314,649,965.86
  5. Step 5: Solve for x
    x = 314,649,965.86/17,022.90
  6. Step 6: Final answer
    x = 18,483.92

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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.