Home / 19,620.44-29,449.15-7,152.51

Finding the Fourth Proportional to 19,620.44, 29,449.15 and 7,152.51

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Solution

The fourth proportional to 19,620.44, 29,449.15 and 7,152.51 is: 10,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.44 : 29,449.15 = 7,152.51 : x
  2. Step 2: Convert to fraction form
    19,620.44/29,449.15 = 7,152.51/x
  3. Step 3: Cross multiply
    19,620.44x = 29,449.15 × 7,152.51
  4. Step 4: Simplify right side
    19,620.44x = 210,635,304.10
  5. Step 5: Solve for x
    x = 210,635,304.10/19,620.44
  6. Step 6: Final answer
    x = 10,735.51

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1.5x scale

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.