Home / 16,135.90-22,266.72-8,966.23

Finding the Fourth Proportional to 16,135.90, 22,266.72 and 8,966.23

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Solution

The fourth proportional to 16,135.90, 22,266.72 and 8,966.23 is: 12,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,135.90 : 22,266.72 = 8,966.23 : x
  2. Step 2: Convert to fraction form
    16,135.90/22,266.72 = 8,966.23/x
  3. Step 3: Cross multiply
    16,135.90x = 22,266.72 × 8,966.23
  4. Step 4: Simplify right side
    16,135.90x = 199,648,477.20
  5. Step 5: Solve for x
    x = 199,648,477.20/16,135.90
  6. Step 6: Final answer
    x = 12,372.94

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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.