Home / 18,176.90-25,084.38-10,218.68

Finding the Fourth Proportional to 18,176.90, 25,084.38 and 10,218.68

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Solution

The fourth proportional to 18,176.90, 25,084.38 and 10,218.68 is: 14,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.90 : 25,084.38 = 10,218.68 : x
  2. Step 2: Convert to fraction form
    18,176.90/25,084.38 = 10,218.68/x
  3. Step 3: Cross multiply
    18,176.90x = 25,084.38 × 10,218.68
  4. Step 4: Simplify right side
    18,176.90x = 256,329,252.22
  5. Step 5: Solve for x
    x = 256,329,252.22/18,176.90
  6. Step 6: Final answer
    x = 14,101.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.