Home / 16,729.72-23,087.45-9,176.38

Finding the Fourth Proportional to 16,729.72, 23,087.45 and 9,176.38

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Solution

The fourth proportional to 16,729.72, 23,087.45 and 9,176.38 is: 12,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.72 : 23,087.45 = 9,176.38 : x
  2. Step 2: Convert to fraction form
    16,729.72/23,087.45 = 9,176.38/x
  3. Step 3: Cross multiply
    16,729.72x = 23,087.45 × 9,176.38
  4. Step 4: Simplify right side
    16,729.72x = 211,859,214.43
  5. Step 5: Solve for x
    x = 211,859,214.43/16,729.72
  6. Step 6: Final answer
    x = 12,663.64

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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.