Home / 19,956.50-29,934.63-5,165.36

Finding the Fourth Proportional to 19,956.50, 29,934.63 and 5,165.36

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Solution

The fourth proportional to 19,956.50, 29,934.63 and 5,165.36 is: 7,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.50 : 29,934.63 = 5,165.36 : x
  2. Step 2: Convert to fraction form
    19,956.50/29,934.63 = 5,165.36/x
  3. Step 3: Cross multiply
    19,956.50x = 29,934.63 × 5,165.36
  4. Step 4: Simplify right side
    19,956.50x = 154,623,140.42
  5. Step 5: Solve for x
    x = 154,623,140.42/19,956.50
  6. Step 6: Final answer
    x = 7,748.01

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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.