Home / 26,831.88-40,248.54-10,189.80

Finding the Fourth Proportional to 26,831.88, 40,248.54 and 10,189.80

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Solution

The fourth proportional to 26,831.88, 40,248.54 and 10,189.80 is: 15,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.88 : 40,248.54 = 10,189.80 : x
  2. Step 2: Convert to fraction form
    26,831.88/40,248.54 = 10,189.80/x
  3. Step 3: Cross multiply
    26,831.88x = 40,248.54 × 10,189.80
  4. Step 4: Simplify right side
    26,831.88x = 410,124,572.89
  5. Step 5: Solve for x
    x = 410,124,572.89/26,831.88
  6. Step 6: Final answer
    x = 15,284.97

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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.