Home / 16,522.23-22,769.16-16,218.57

Finding the Fourth Proportional to 16,522.23, 22,769.16 and 16,218.57

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Solution

The fourth proportional to 16,522.23, 22,769.16 and 16,218.57 is: 22,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,522.23 : 22,769.16 = 16,218.57 : x
  2. Step 2: Convert to fraction form
    16,522.23/22,769.16 = 16,218.57/x
  3. Step 3: Cross multiply
    16,522.23x = 22,769.16 × 16,218.57
  4. Step 4: Simplify right side
    16,522.23x = 369,283,215.30
  5. Step 5: Solve for x
    x = 369,283,215.30/16,522.23
  6. Step 6: Final answer
    x = 22,350.69

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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.