Home / 16,862.05-23,267.97-9,307.90

Finding the Fourth Proportional to 16,862.05, 23,267.97 and 9,307.90

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Solution

The fourth proportional to 16,862.05, 23,267.97 and 9,307.90 is: 12,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.05 : 23,267.97 = 9,307.90 : x
  2. Step 2: Convert to fraction form
    16,862.05/23,267.97 = 9,307.90/x
  3. Step 3: Cross multiply
    16,862.05x = 23,267.97 × 9,307.90
  4. Step 4: Simplify right side
    16,862.05x = 216,575,853.62
  5. Step 5: Solve for x
    x = 216,575,853.62/16,862.05
  6. Step 6: Final answer
    x = 12,843.98

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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.