Home / 29,025.60-43,544.64-12,385.92

Finding the Fourth Proportional to 29,025.60, 43,544.64 and 12,385.92

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Solution

The fourth proportional to 29,025.60, 43,544.64 and 12,385.92 is: 18,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,025.60 : 43,544.64 = 12,385.92 : x
  2. Step 2: Convert to fraction form
    29,025.60/43,544.64 = 12,385.92/x
  3. Step 3: Cross multiply
    29,025.60x = 43,544.64 × 12,385.92
  4. Step 4: Simplify right side
    29,025.60x = 539,340,427.47
  5. Step 5: Solve for x
    x = 539,340,427.47/29,025.60
  6. Step 6: Final answer
    x = 18,581.54

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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.