Home / 26,140.12-39,188.14-11,337.89

Finding the Fourth Proportional to 26,140.12, 39,188.14 and 11,337.89

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Solution

The fourth proportional to 26,140.12, 39,188.14 and 11,337.89 is: 16,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.12 : 39,188.14 = 11,337.89 : x
  2. Step 2: Convert to fraction form
    26,140.12/39,188.14 = 11,337.89/x
  3. Step 3: Cross multiply
    26,140.12x = 39,188.14 × 11,337.89
  4. Step 4: Simplify right side
    26,140.12x = 444,310,946.94
  5. Step 5: Solve for x
    x = 444,310,946.94/26,140.12
  6. Step 6: Final answer
    x = 16,997.28

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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.