Home / 16,340.90-24,478.53-13,831.33

Finding the Fourth Proportional to 16,340.90, 24,478.53 and 13,831.33

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Solution

The fourth proportional to 16,340.90, 24,478.53 and 13,831.33 is: 20,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,340.90 : 24,478.53 = 13,831.33 : x
  2. Step 2: Convert to fraction form
    16,340.90/24,478.53 = 13,831.33/x
  3. Step 3: Cross multiply
    16,340.90x = 24,478.53 × 13,831.33
  4. Step 4: Simplify right side
    16,340.90x = 338,570,503.95
  5. Step 5: Solve for x
    x = 338,570,503.95/16,340.90
  6. Step 6: Final answer
    x = 20,719.21

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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.