Home / 18,831.66-25,977.80-14,347.63

Finding the Fourth Proportional to 18,831.66, 25,977.80 and 14,347.63

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Solution

The fourth proportional to 18,831.66, 25,977.80 and 14,347.63 is: 19,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.66 : 25,977.80 = 14,347.63 : x
  2. Step 2: Convert to fraction form
    18,831.66/25,977.80 = 14,347.63/x
  3. Step 3: Cross multiply
    18,831.66x = 25,977.80 × 14,347.63
  4. Step 4: Simplify right side
    18,831.66x = 372,719,910.78
  5. Step 5: Solve for x
    x = 372,719,910.78/18,831.66
  6. Step 6: Final answer
    x = 19,792.19

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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.