Home / 25,779.08-38,667.92-8,248.66

Finding the Fourth Proportional to 25,779.08, 38,667.92 and 8,248.66

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Solution

The fourth proportional to 25,779.08, 38,667.92 and 8,248.66 is: 12,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,779.08 : 38,667.92 = 8,248.66 : x
  2. Step 2: Convert to fraction form
    25,779.08/38,667.92 = 8,248.66/x
  3. Step 3: Cross multiply
    25,779.08x = 38,667.92 × 8,248.66
  4. Step 4: Simplify right side
    25,779.08x = 318,958,387.07
  5. Step 5: Solve for x
    x = 318,958,387.07/25,779.08
  6. Step 6: Final answer
    x = 12,372.76

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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.