Home / 23,789.15-32,831.03-13,179.77

Finding the Fourth Proportional to 23,789.15, 32,831.03 and 13,179.77

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Solution

The fourth proportional to 23,789.15, 32,831.03 and 13,179.77 is: 18,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,789.15 : 32,831.03 = 13,179.77 : x
  2. Step 2: Convert to fraction form
    23,789.15/32,831.03 = 13,179.77/x
  3. Step 3: Cross multiply
    23,789.15x = 32,831.03 × 13,179.77
  4. Step 4: Simplify right side
    23,789.15x = 432,705,424.26
  5. Step 5: Solve for x
    x = 432,705,424.26/23,789.15
  6. Step 6: Final answer
    x = 18,189.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.