Home / 19,221.44-28,839.84-10,446.08

Finding the Fourth Proportional to 19,221.44, 28,839.84 and 10,446.08

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Solution

The fourth proportional to 19,221.44, 28,839.84 and 10,446.08 is: 15,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.44 : 28,839.84 = 10,446.08 : x
  2. Step 2: Convert to fraction form
    19,221.44/28,839.84 = 10,446.08/x
  3. Step 3: Cross multiply
    19,221.44x = 28,839.84 × 10,446.08
  4. Step 4: Simplify right side
    19,221.44x = 301,263,275.83
  5. Step 5: Solve for x
    x = 301,263,275.83/19,221.44
  6. Step 6: Final answer
    x = 15,673.29

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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.