Home / 26,107.48-39,139.08-8,572.60

Finding the Fourth Proportional to 26,107.48, 39,139.08 and 8,572.60

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Solution

The fourth proportional to 26,107.48, 39,139.08 and 8,572.60 is: 12,851.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.48 : 39,139.08 = 8,572.60 : x
  2. Step 2: Convert to fraction form
    26,107.48/39,139.08 = 8,572.60/x
  3. Step 3: Cross multiply
    26,107.48x = 39,139.08 × 8,572.60
  4. Step 4: Simplify right side
    26,107.48x = 335,523,677.21
  5. Step 5: Solve for x
    x = 335,523,677.21/26,107.48
  6. Step 6: Final answer
    x = 12,851.63

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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.