Home / 16,897.11-23,315.97-9,342.42

Finding the Fourth Proportional to 16,897.11, 23,315.97 and 9,342.42

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Solution

The fourth proportional to 16,897.11, 23,315.97 and 9,342.42 is: 12,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.11 : 23,315.97 = 9,342.42 : x
  2. Step 2: Convert to fraction form
    16,897.11/23,315.97 = 9,342.42/x
  3. Step 3: Cross multiply
    16,897.11x = 23,315.97 × 9,342.42
  4. Step 4: Simplify right side
    16,897.11x = 217,827,467.87
  5. Step 5: Solve for x
    x = 217,827,467.87/16,897.11
  6. Step 6: Final answer
    x = 12,891.41

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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.