Home / 26,118.40-39,192-12,267.04

Finding the Fourth Proportional to 26,118.40, 39,192 and 12,267.04

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Solution

The fourth proportional to 26,118.40, 39,192 and 12,267.04 is: 18,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.40 : 39,192 = 12,267.04 : x
  2. Step 2: Convert to fraction form
    26,118.40/39,192 = 12,267.04/x
  3. Step 3: Cross multiply
    26,118.40x = 39,192 × 12,267.04
  4. Step 4: Simplify right side
    26,118.40x = 480,769,831.68
  5. Step 5: Solve for x
    x = 480,769,831.68/26,118.40
  6. Step 6: Final answer
    x = 18,407.32

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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.