Home / 23,731.44-32,749.16-13,121.04

Finding the Fourth Proportional to 23,731.44, 32,749.16 and 13,121.04

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Solution

The fourth proportional to 23,731.44, 32,749.16 and 13,121.04 is: 18,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.44 : 32,749.16 = 13,121.04 : x
  2. Step 2: Convert to fraction form
    23,731.44/32,749.16 = 13,121.04/x
  3. Step 3: Cross multiply
    23,731.44x = 32,749.16 × 13,121.04
  4. Step 4: Simplify right side
    23,731.44x = 429,703,038.33
  5. Step 5: Solve for x
    x = 429,703,038.33/23,731.44
  6. Step 6: Final answer
    x = 18,106.91

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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.