Home / 26,121.60-39,184.96-8,584.32

Finding the Fourth Proportional to 26,121.60, 39,184.96 and 8,584.32

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Solution

The fourth proportional to 26,121.60, 39,184.96 and 8,584.32 is: 12,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.60 : 39,184.96 = 8,584.32 : x
  2. Step 2: Convert to fraction form
    26,121.60/39,184.96 = 8,584.32/x
  3. Step 3: Cross multiply
    26,121.60x = 39,184.96 × 8,584.32
  4. Step 4: Simplify right side
    26,121.60x = 336,376,235.83
  5. Step 5: Solve for x
    x = 336,376,235.83/26,121.60
  6. Step 6: Final answer
    x = 12,877.32

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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.