Home / 26,379.12-39,578.04-8,848.92

Finding the Fourth Proportional to 26,379.12, 39,578.04 and 8,848.92

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Solution

The fourth proportional to 26,379.12, 39,578.04 and 8,848.92 is: 13,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.12 : 39,578.04 = 8,848.92 : x
  2. Step 2: Convert to fraction form
    26,379.12/39,578.04 = 8,848.92/x
  3. Step 3: Cross multiply
    26,379.12x = 39,578.04 × 8,848.92
  4. Step 4: Simplify right side
    26,379.12x = 350,222,909.72
  5. Step 5: Solve for x
    x = 350,222,909.72/26,379.12
  6. Step 6: Final answer
    x = 13,276.52

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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.