Home / 16,831.64-23,226.68-9,659.90

Finding the Fourth Proportional to 16,831.64, 23,226.68 and 9,659.90

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Solution

The fourth proportional to 16,831.64, 23,226.68 and 9,659.90 is: 13,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.64 : 23,226.68 = 9,659.90 : x
  2. Step 2: Convert to fraction form
    16,831.64/23,226.68 = 9,659.90/x
  3. Step 3: Cross multiply
    16,831.64x = 23,226.68 × 9,659.90
  4. Step 4: Simplify right side
    16,831.64x = 224,367,488.35
  5. Step 5: Solve for x
    x = 224,367,488.35/16,831.64
  6. Step 6: Final answer
    x = 13,330.10

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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.