Home / 26,006.10-39,009.15-11,231.70

Finding the Fourth Proportional to 26,006.10, 39,009.15 and 11,231.70

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Solution

The fourth proportional to 26,006.10, 39,009.15 and 11,231.70 is: 16,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,006.10 : 39,009.15 = 11,231.70 : x
  2. Step 2: Convert to fraction form
    26,006.10/39,009.15 = 11,231.70/x
  3. Step 3: Cross multiply
    26,006.10x = 39,009.15 × 11,231.70
  4. Step 4: Simplify right side
    26,006.10x = 438,139,070.06
  5. Step 5: Solve for x
    x = 438,139,070.06/26,006.10
  6. Step 6: Final answer
    x = 16,847.55

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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.