Home / 16,961.91-23,407.45-9,886.96

Finding the Fourth Proportional to 16,961.91, 23,407.45 and 9,886.96

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Solution

The fourth proportional to 16,961.91, 23,407.45 and 9,886.96 is: 13,644.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.91 : 23,407.45 = 9,886.96 : x
  2. Step 2: Convert to fraction form
    16,961.91/23,407.45 = 9,886.96/x
  3. Step 3: Cross multiply
    16,961.91x = 23,407.45 × 9,886.96
  4. Step 4: Simplify right side
    16,961.91x = 231,428,526.39
  5. Step 5: Solve for x
    x = 231,428,526.39/16,961.91
  6. Step 6: Final answer
    x = 13,644.02

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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.