Home / 26,715.21-40,078.28-9,182.76

Finding the Fourth Proportional to 26,715.21, 40,078.28 and 9,182.76

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Solution

The fourth proportional to 26,715.21, 40,078.28 and 9,182.76 is: 13,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.21 : 40,078.28 = 9,182.76 : x
  2. Step 2: Convert to fraction form
    26,715.21/40,078.28 = 9,182.76/x
  3. Step 3: Cross multiply
    26,715.21x = 40,078.28 × 9,182.76
  4. Step 4: Simplify right side
    26,715.21x = 368,029,226.45
  5. Step 5: Solve for x
    x = 368,029,226.45/26,715.21
  6. Step 6: Final answer
    x = 13,776.02

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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.