Home / 21,728.39-32,592.59-10,040.09

Finding the Fourth Proportional to 21,728.39, 32,592.59 and 10,040.09

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Solution

The fourth proportional to 21,728.39, 32,592.59 and 10,040.09 is: 15,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728.39 : 32,592.59 = 10,040.09 : x
  2. Step 2: Convert to fraction form
    21,728.39/32,592.59 = 10,040.09/x
  3. Step 3: Cross multiply
    21,728.39x = 32,592.59 × 10,040.09
  4. Step 4: Simplify right side
    21,728.39x = 327,232,536.93
  5. Step 5: Solve for x
    x = 327,232,536.93/21,728.39
  6. Step 6: Final answer
    x = 15,060.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.