Home / 26,008.68-39,019.14-8,478.48

Finding the Fourth Proportional to 26,008.68, 39,019.14 and 8,478.48

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Solution

The fourth proportional to 26,008.68, 39,019.14 and 8,478.48 is: 12,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,008.68 : 39,019.14 = 8,478.48 : x
  2. Step 2: Convert to fraction form
    26,008.68/39,019.14 = 8,478.48/x
  3. Step 3: Cross multiply
    26,008.68x = 39,019.14 × 8,478.48
  4. Step 4: Simplify right side
    26,008.68x = 330,822,998.11
  5. Step 5: Solve for x
    x = 330,822,998.11/26,008.68
  6. Step 6: Final answer
    x = 12,719.72

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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.