Home / 16,763.96-23,131.50-9,689.96

Finding the Fourth Proportional to 16,763.96, 23,131.50 and 9,689.96

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Solution

The fourth proportional to 16,763.96, 23,131.50 and 9,689.96 is: 13,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,763.96 : 23,131.50 = 9,689.96 : x
  2. Step 2: Convert to fraction form
    16,763.96/23,131.50 = 9,689.96/x
  3. Step 3: Cross multiply
    16,763.96x = 23,131.50 × 9,689.96
  4. Step 4: Simplify right side
    16,763.96x = 224,143,309.74
  5. Step 5: Solve for x
    x = 224,143,309.74/16,763.96
  6. Step 6: Final answer
    x = 13,370.55

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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.