Home / 12,176.28-18,176.33-10,700.08

Finding the Fourth Proportional to 12,176.28, 18,176.33 and 10,700.08

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Solution

The fourth proportional to 12,176.28, 18,176.33 and 10,700.08 is: 15,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.28 : 18,176.33 = 10,700.08 : x
  2. Step 2: Convert to fraction form
    12,176.28/18,176.33 = 10,700.08/x
  3. Step 3: Cross multiply
    12,176.28x = 18,176.33 × 10,700.08
  4. Step 4: Simplify right side
    12,176.28x = 194,488,185.11
  5. Step 5: Solve for x
    x = 194,488,185.11/12,176.28
  6. Step 6: Final answer
    x = 15,972.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.