Home / 12,176.29-18,264.57-10,409.86

Finding the Fourth Proportional to 12,176.29, 18,264.57 and 10,409.86

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Solution

The fourth proportional to 12,176.29, 18,264.57 and 10,409.86 is: 15,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.29 : 18,264.57 = 10,409.86 : x
  2. Step 2: Convert to fraction form
    12,176.29/18,264.57 = 10,409.86/x
  3. Step 3: Cross multiply
    12,176.29x = 18,264.57 × 10,409.86
  4. Step 4: Simplify right side
    12,176.29x = 190,131,616.66
  5. Step 5: Solve for x
    x = 190,131,616.66/12,176.29
  6. Step 6: Final answer
    x = 15,614.91

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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.