Home / 23,733.12-32,749.20-13,121.04

Finding the Fourth Proportional to 23,733.12, 32,749.20 and 13,121.04

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Solution

The fourth proportional to 23,733.12, 32,749.20 and 13,121.04 is: 18,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,733.12 : 32,749.20 = 13,121.04 : x
  2. Step 2: Convert to fraction form
    23,733.12/32,749.20 = 13,121.04/x
  3. Step 3: Cross multiply
    23,733.12x = 32,749.20 × 13,121.04
  4. Step 4: Simplify right side
    23,733.12x = 429,703,563.17
  5. Step 5: Solve for x
    x = 429,703,563.17/23,733.12
  6. Step 6: Final answer
    x = 18,105.65

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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.