Home / 45,258.60-67,887.96-13,677.68

Finding the Fourth Proportional to 45,258.60, 67,887.96 and 13,677.68

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Solution

The fourth proportional to 45,258.60, 67,887.96 and 13,677.68 is: 20,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,258.60 : 67,887.96 = 13,677.68 : x
  2. Step 2: Convert to fraction form
    45,258.60/67,887.96 = 13,677.68/x
  3. Step 3: Cross multiply
    45,258.60x = 67,887.96 × 13,677.68
  4. Step 4: Simplify right side
    45,258.60x = 928,549,792.73
  5. Step 5: Solve for x
    x = 928,549,792.73/45,258.60
  6. Step 6: Final answer
    x = 20,516.54

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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.