Home / 14,831.64-20,467.62-8,117.40

Finding the Fourth Proportional to 14,831.64, 20,467.62 and 8,117.40

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Solution

The fourth proportional to 14,831.64, 20,467.62 and 8,117.40 is: 11,201.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.64 : 20,467.62 = 8,117.40 : x
  2. Step 2: Convert to fraction form
    14,831.64/20,467.62 = 8,117.40/x
  3. Step 3: Cross multiply
    14,831.64x = 20,467.62 × 8,117.40
  4. Step 4: Simplify right side
    14,831.64x = 166,143,858.59
  5. Step 5: Solve for x
    x = 166,143,858.59/14,831.64
  6. Step 6: Final answer
    x = 11,201.99

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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.