Home / 16,902.32-23,330.07-11,867.76

Finding the Fourth Proportional to 16,902.32, 23,330.07 and 11,867.76

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Solution

The fourth proportional to 16,902.32, 23,330.07 and 11,867.76 is: 16,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.32 : 23,330.07 = 11,867.76 : x
  2. Step 2: Convert to fraction form
    16,902.32/23,330.07 = 11,867.76/x
  3. Step 3: Cross multiply
    16,902.32x = 23,330.07 × 11,867.76
  4. Step 4: Simplify right side
    16,902.32x = 276,875,700.20
  5. Step 5: Solve for x
    x = 276,875,700.20/16,902.32
  6. Step 6: Final answer
    x = 16,380.93

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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.