Home / 26,205.40-39,308.10-9,559.90

Finding the Fourth Proportional to 26,205.40, 39,308.10 and 9,559.90

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Solution

The fourth proportional to 26,205.40, 39,308.10 and 9,559.90 is: 14,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,205.40 : 39,308.10 = 9,559.90 : x
  2. Step 2: Convert to fraction form
    26,205.40/39,308.10 = 9,559.90/x
  3. Step 3: Cross multiply
    26,205.40x = 39,308.10 × 9,559.90
  4. Step 4: Simplify right side
    26,205.40x = 375,781,505.19
  5. Step 5: Solve for x
    x = 375,781,505.19/26,205.40
  6. Step 6: Final answer
    x = 14,339.85

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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.