Home / 26,501.14-39,665.17-19,479.30

Finding the Fourth Proportional to 26,501.14, 39,665.17 and 19,479.30

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Solution

The fourth proportional to 26,501.14, 39,665.17 and 19,479.30 is: 29,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,501.14 : 39,665.17 = 19,479.30 : x
  2. Step 2: Convert to fraction form
    26,501.14/39,665.17 = 19,479.30/x
  3. Step 3: Cross multiply
    26,501.14x = 39,665.17 × 19,479.30
  4. Step 4: Simplify right side
    26,501.14x = 772,649,745.98
  5. Step 5: Solve for x
    x = 772,649,745.98/26,501.14
  6. Step 6: Final answer
    x = 29,155.34

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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.