Home / 12,244.96-18,251.33-11,875.60

Finding the Fourth Proportional to 12,244.96, 18,251.33 and 11,875.60

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Solution

The fourth proportional to 12,244.96, 18,251.33 and 11,875.60 is: 17,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.96 : 18,251.33 = 11,875.60 : x
  2. Step 2: Convert to fraction form
    12,244.96/18,251.33 = 11,875.60/x
  3. Step 3: Cross multiply
    12,244.96x = 18,251.33 × 11,875.60
  4. Step 4: Simplify right side
    12,244.96x = 216,745,494.55
  5. Step 5: Solve for x
    x = 216,745,494.55/12,244.96
  6. Step 6: Final answer
    x = 17,700.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.