Home / 26,715.20-40,087.20-11,134.40

Finding the Fourth Proportional to 26,715.20, 40,087.20 and 11,134.40

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Solution

The fourth proportional to 26,715.20, 40,087.20 and 11,134.40 is: 16,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.20 : 40,087.20 = 11,134.40 : x
  2. Step 2: Convert to fraction form
    26,715.20/40,087.20 = 11,134.40/x
  3. Step 3: Cross multiply
    26,715.20x = 40,087.20 × 11,134.40
  4. Step 4: Simplify right side
    26,715.20x = 446,346,919.68
  5. Step 5: Solve for x
    x = 446,346,919.68/26,715.20
  6. Step 6: Final answer
    x = 16,707.60

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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.