Home / 14,831.13-20,466.96-8,116.75

Finding the Fourth Proportional to 14,831.13, 20,466.96 and 8,116.75

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Solution

The fourth proportional to 14,831.13, 20,466.96 and 8,116.75 is: 11,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.13 : 20,466.96 = 8,116.75 : x
  2. Step 2: Convert to fraction form
    14,831.13/20,466.96 = 8,116.75/x
  3. Step 3: Cross multiply
    14,831.13x = 20,466.96 × 8,116.75
  4. Step 4: Simplify right side
    14,831.13x = 166,125,261.21
  5. Step 5: Solve for x
    x = 166,125,261.21/14,831.13
  6. Step 6: Final answer
    x = 11,201.12

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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.