Home / 19,758.88-29,637.52-4,967.92

Finding the Fourth Proportional to 19,758.88, 29,637.52 and 4,967.92

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Solution

The fourth proportional to 19,758.88, 29,637.52 and 4,967.92 is: 7,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.88 : 29,637.52 = 4,967.92 : x
  2. Step 2: Convert to fraction form
    19,758.88/29,637.52 = 4,967.92/x
  3. Step 3: Cross multiply
    19,758.88x = 29,637.52 × 4,967.92
  4. Step 4: Simplify right side
    19,758.88x = 147,236,828.36
  5. Step 5: Solve for x
    x = 147,236,828.36/19,758.88
  6. Step 6: Final answer
    x = 7,451.68

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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.