Home / 26,084.86-39,116.66-12,763.60

Finding the Fourth Proportional to 26,084.86, 39,116.66 and 12,763.60

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Solution

The fourth proportional to 26,084.86, 39,116.66 and 12,763.60 is: 19,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,084.86 : 39,116.66 = 12,763.60 : x
  2. Step 2: Convert to fraction form
    26,084.86/39,116.66 = 12,763.60/x
  3. Step 3: Cross multiply
    26,084.86x = 39,116.66 × 12,763.60
  4. Step 4: Simplify right side
    26,084.86x = 499,269,239.97
  5. Step 5: Solve for x
    x = 499,269,239.97/26,084.86
  6. Step 6: Final answer
    x = 19,140.19

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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.