Home / 17,378.10-26,078.13-9,997.02

Finding the Fourth Proportional to 17,378.10, 26,078.13 and 9,997.02

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Solution

The fourth proportional to 17,378.10, 26,078.13 and 9,997.02 is: 15,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.10 : 26,078.13 = 9,997.02 : x
  2. Step 2: Convert to fraction form
    17,378.10/26,078.13 = 9,997.02/x
  3. Step 3: Cross multiply
    17,378.10x = 26,078.13 × 9,997.02
  4. Step 4: Simplify right side
    17,378.10x = 260,703,587.17
  5. Step 5: Solve for x
    x = 260,703,587.17/17,378.10
  6. Step 6: Final answer
    x = 15,001.85

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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.