Home / 18,831.88-25,987.92-10,334.15

Finding the Fourth Proportional to 18,831.88, 25,987.92 and 10,334.15

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Solution

The fourth proportional to 18,831.88, 25,987.92 and 10,334.15 is: 14,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.88 : 25,987.92 = 10,334.15 : x
  2. Step 2: Convert to fraction form
    18,831.88/25,987.92 = 10,334.15/x
  3. Step 3: Cross multiply
    18,831.88x = 25,987.92 × 10,334.15
  4. Step 4: Simplify right side
    18,831.88x = 268,563,006.33
  5. Step 5: Solve for x
    x = 268,563,006.33/18,831.88
  6. Step 6: Final answer
    x = 14,261.08

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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.