Home / 19,763.50-29,643.05-4,972.42

Finding the Fourth Proportional to 19,763.50, 29,643.05 and 4,972.42

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Solution

The fourth proportional to 19,763.50, 29,643.05 and 4,972.42 is: 7,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.50 : 29,643.05 = 4,972.42 : x
  2. Step 2: Convert to fraction form
    19,763.50/29,643.05 = 4,972.42/x
  3. Step 3: Cross multiply
    19,763.50x = 29,643.05 × 4,972.42
  4. Step 4: Simplify right side
    19,763.50x = 147,397,546.47
  5. Step 5: Solve for x
    x = 147,397,546.47/19,763.50
  6. Step 6: Final answer
    x = 7,458.07

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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.