Home / 17,867.40-26,800.26-8,500.56

Finding the Fourth Proportional to 17,867.40, 26,800.26 and 8,500.56

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Solution

The fourth proportional to 17,867.40, 26,800.26 and 8,500.56 is: 12,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.40 : 26,800.26 = 8,500.56 : x
  2. Step 2: Convert to fraction form
    17,867.40/26,800.26 = 8,500.56/x
  3. Step 3: Cross multiply
    17,867.40x = 26,800.26 × 8,500.56
  4. Step 4: Simplify right side
    17,867.40x = 227,817,218.15
  5. Step 5: Solve for x
    x = 227,817,218.15/17,867.40
  6. Step 6: Final answer
    x = 12,750.44

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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.