Home / 19,956.32-29,934.60-5,164.22

Finding the Fourth Proportional to 19,956.32, 29,934.60 and 5,164.22

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Solution

The fourth proportional to 19,956.32, 29,934.60 and 5,164.22 is: 7,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.32 : 29,934.60 = 5,164.22 : x
  2. Step 2: Convert to fraction form
    19,956.32/29,934.60 = 5,164.22/x
  3. Step 3: Cross multiply
    19,956.32x = 29,934.60 × 5,164.22
  4. Step 4: Simplify right side
    19,956.32x = 154,588,860.01
  5. Step 5: Solve for x
    x = 154,588,860.01/19,956.32
  6. Step 6: Final answer
    x = 7,746.36

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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.