Home / 19,956.72-29,934.76-5,164.44

Finding the Fourth Proportional to 19,956.72, 29,934.76 and 5,164.44

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Solution

The fourth proportional to 19,956.72, 29,934.76 and 5,164.44 is: 7,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.72 : 29,934.76 = 5,164.44 : x
  2. Step 2: Convert to fraction form
    19,956.72/29,934.76 = 5,164.44/x
  3. Step 3: Cross multiply
    19,956.72x = 29,934.76 × 5,164.44
  4. Step 4: Simplify right side
    19,956.72x = 154,596,271.93
  5. Step 5: Solve for x
    x = 154,596,271.93/19,956.72
  6. Step 6: Final answer
    x = 7,746.58

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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.