Home / 25,511.72-38,268.30-7,043.72

Finding the Fourth Proportional to 25,511.72, 38,268.30 and 7,043.72

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Solution

The fourth proportional to 25,511.72, 38,268.30 and 7,043.72 is: 10,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.72 : 38,268.30 = 7,043.72 : x
  2. Step 2: Convert to fraction form
    25,511.72/38,268.30 = 7,043.72/x
  3. Step 3: Cross multiply
    25,511.72x = 38,268.30 × 7,043.72
  4. Step 4: Simplify right side
    25,511.72x = 269,551,190.08
  5. Step 5: Solve for x
    x = 269,551,190.08/25,511.72
  6. Step 6: Final answer
    x = 10,565.78

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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.