Home / 14,831.10-20,467.89-8,117.01

Finding the Fourth Proportional to 14,831.10, 20,467.89 and 8,117.01

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Solution

The fourth proportional to 14,831.10, 20,467.89 and 8,117.01 is: 11,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.10 : 20,467.89 = 8,117.01 : x
  2. Step 2: Convert to fraction form
    14,831.10/20,467.89 = 8,117.01/x
  3. Step 3: Cross multiply
    14,831.10x = 20,467.89 × 8,117.01
  4. Step 4: Simplify right side
    14,831.10x = 166,138,067.81
  5. Step 5: Solve for x
    x = 166,138,067.81/14,831.10
  6. Step 6: Final answer
    x = 11,202.01

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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.