Home / 29,196.89-40,291.71-15,768.14

Finding the Fourth Proportional to 29,196.89, 40,291.71 and 15,768.14

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Solution

The fourth proportional to 29,196.89, 40,291.71 and 15,768.14 is: 21,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,196.89 : 40,291.71 = 15,768.14 : x
  2. Step 2: Convert to fraction form
    29,196.89/40,291.71 = 15,768.14/x
  3. Step 3: Cross multiply
    29,196.89x = 40,291.71 × 15,768.14
  4. Step 4: Simplify right side
    29,196.89x = 635,325,345.29
  5. Step 5: Solve for x
    x = 635,325,345.29/29,196.89
  6. Step 6: Final answer
    x = 21,760.03

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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.