Home / 17,620.35-24,315.87-9,662.55

Finding the Fourth Proportional to 17,620.35, 24,315.87 and 9,662.55

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Solution

The fourth proportional to 17,620.35, 24,315.87 and 9,662.55 is: 13,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.35 : 24,315.87 = 9,662.55 : x
  2. Step 2: Convert to fraction form
    17,620.35/24,315.87 = 9,662.55/x
  3. Step 3: Cross multiply
    17,620.35x = 24,315.87 × 9,662.55
  4. Step 4: Simplify right side
    17,620.35x = 234,953,309.67
  5. Step 5: Solve for x
    x = 234,953,309.67/17,620.35
  6. Step 6: Final answer
    x = 13,334.20

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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.