Home / 17,390.96-26,091.28-5,712.38

Finding the Fourth Proportional to 17,390.96, 26,091.28 and 5,712.38

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Solution

The fourth proportional to 17,390.96, 26,091.28 and 5,712.38 is: 8,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.96 : 26,091.28 = 5,712.38 : x
  2. Step 2: Convert to fraction form
    17,390.96/26,091.28 = 5,712.38/x
  3. Step 3: Cross multiply
    17,390.96x = 26,091.28 × 5,712.38
  4. Step 4: Simplify right side
    17,390.96x = 149,043,306.05
  5. Step 5: Solve for x
    x = 149,043,306.05/17,390.96
  6. Step 6: Final answer
    x = 8,570.16

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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.