Home / 26,616.87-39,926.12-9,973.60

Finding the Fourth Proportional to 26,616.87, 39,926.12 and 9,973.60

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Solution

The fourth proportional to 26,616.87, 39,926.12 and 9,973.60 is: 14,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.87 : 39,926.12 = 9,973.60 : x
  2. Step 2: Convert to fraction form
    26,616.87/39,926.12 = 9,973.60/x
  3. Step 3: Cross multiply
    26,616.87x = 39,926.12 × 9,973.60
  4. Step 4: Simplify right side
    26,616.87x = 398,207,000.75
  5. Step 5: Solve for x
    x = 398,207,000.75/26,616.87
  6. Step 6: Final answer
    x = 14,960.70

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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.