Home / 26,069.60-39,103.66-12,557.72

Finding the Fourth Proportional to 26,069.60, 39,103.66 and 12,557.72

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Solution

The fourth proportional to 26,069.60, 39,103.66 and 12,557.72 is: 18,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,069.60 : 39,103.66 = 12,557.72 : x
  2. Step 2: Convert to fraction form
    26,069.60/39,103.66 = 12,557.72/x
  3. Step 3: Cross multiply
    26,069.60x = 39,103.66 × 12,557.72
  4. Step 4: Simplify right side
    26,069.60x = 491,052,813.26
  5. Step 5: Solve for x
    x = 491,052,813.26/26,069.60
  6. Step 6: Final answer
    x = 18,836.22

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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.