Home / 26,211.32-39,313.20-8,678.88

Finding the Fourth Proportional to 26,211.32, 39,313.20 and 8,678.88

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Solution

The fourth proportional to 26,211.32, 39,313.20 and 8,678.88 is: 13,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.32 : 39,313.20 = 8,678.88 : x
  2. Step 2: Convert to fraction form
    26,211.32/39,313.20 = 8,678.88/x
  3. Step 3: Cross multiply
    26,211.32x = 39,313.20 × 8,678.88
  4. Step 4: Simplify right side
    26,211.32x = 341,194,545.22
  5. Step 5: Solve for x
    x = 341,194,545.22/26,211.32
  6. Step 6: Final answer
    x = 13,017.07

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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.