Home / 26,109.18-39,163.41-7,641.18

Finding the Fourth Proportional to 26,109.18, 39,163.41 and 7,641.18

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Solution

The fourth proportional to 26,109.18, 39,163.41 and 7,641.18 is: 11,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.18 : 39,163.41 = 7,641.18 : x
  2. Step 2: Convert to fraction form
    26,109.18/39,163.41 = 7,641.18/x
  3. Step 3: Cross multiply
    26,109.18x = 39,163.41 × 7,641.18
  4. Step 4: Simplify right side
    26,109.18x = 299,254,665.22
  5. Step 5: Solve for x
    x = 299,254,665.22/26,109.18
  6. Step 6: Final answer
    x = 11,461.66

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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.