Home / 16,536.69-22,817.16-9,819.90

Finding the Fourth Proportional to 16,536.69, 22,817.16 and 9,819.90

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Solution

The fourth proportional to 16,536.69, 22,817.16 and 9,819.90 is: 13,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,536.69 : 22,817.16 = 9,819.90 : x
  2. Step 2: Convert to fraction form
    16,536.69/22,817.16 = 9,819.90/x
  3. Step 3: Cross multiply
    16,536.69x = 22,817.16 × 9,819.90
  4. Step 4: Simplify right side
    16,536.69x = 224,062,229.48
  5. Step 5: Solve for x
    x = 224,062,229.48/16,536.69
  6. Step 6: Final answer
    x = 13,549.40

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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.