Home / 26,169.60-39,196.80-15,763.20

Finding the Fourth Proportional to 26,169.60, 39,196.80 and 15,763.20

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Solution

The fourth proportional to 26,169.60, 39,196.80 and 15,763.20 is: 23,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.60 : 39,196.80 = 15,763.20 : x
  2. Step 2: Convert to fraction form
    26,169.60/39,196.80 = 15,763.20/x
  3. Step 3: Cross multiply
    26,169.60x = 39,196.80 × 15,763.20
  4. Step 4: Simplify right side
    26,169.60x = 617,866,997.76
  5. Step 5: Solve for x
    x = 617,866,997.76/26,169.60
  6. Step 6: Final answer
    x = 23,610.10

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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.