Home / 16,137.02-22,265.18-9,418.80

Finding the Fourth Proportional to 16,137.02, 22,265.18 and 9,418.80

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Solution

The fourth proportional to 16,137.02, 22,265.18 and 9,418.80 is: 12,995.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,137.02 : 22,265.18 = 9,418.80 : x
  2. Step 2: Convert to fraction form
    16,137.02/22,265.18 = 9,418.80/x
  3. Step 3: Cross multiply
    16,137.02x = 22,265.18 × 9,418.80
  4. Step 4: Simplify right side
    16,137.02x = 209,711,277.38
  5. Step 5: Solve for x
    x = 209,711,277.38/16,137.02
  6. Step 6: Final answer
    x = 12,995.66

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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.