Home / 16,831.08-23,214.06-12,865.32

Finding the Fourth Proportional to 16,831.08, 23,214.06 and 12,865.32

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Solution

The fourth proportional to 16,831.08, 23,214.06 and 12,865.32 is: 17,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.08 : 23,214.06 = 12,865.32 : x
  2. Step 2: Convert to fraction form
    16,831.08/23,214.06 = 12,865.32/x
  3. Step 3: Cross multiply
    16,831.08x = 23,214.06 × 12,865.32
  4. Step 4: Simplify right side
    16,831.08x = 298,656,310.40
  5. Step 5: Solve for x
    x = 298,656,310.40/16,831.08
  6. Step 6: Final answer
    x = 17,744.33

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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.