Home / 16,418.53-22,651.95-9,343.18

Finding the Fourth Proportional to 16,418.53, 22,651.95 and 9,343.18

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Solution

The fourth proportional to 16,418.53, 22,651.95 and 9,343.18 is: 12,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.53 : 22,651.95 = 9,343.18 : x
  2. Step 2: Convert to fraction form
    16,418.53/22,651.95 = 9,343.18/x
  3. Step 3: Cross multiply
    16,418.53x = 22,651.95 × 9,343.18
  4. Step 4: Simplify right side
    16,418.53x = 211,641,246.20
  5. Step 5: Solve for x
    x = 211,641,246.20/16,418.53
  6. Step 6: Final answer
    x = 12,890.39

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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.