Home / 15,743.93-21,720.44-9,025.97

Finding the Fourth Proportional to 15,743.93, 21,720.44 and 9,025.97

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Solution

The fourth proportional to 15,743.93, 21,720.44 and 9,025.97 is: 12,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.93 : 21,720.44 = 9,025.97 : x
  2. Step 2: Convert to fraction form
    15,743.93/21,720.44 = 9,025.97/x
  3. Step 3: Cross multiply
    15,743.93x = 21,720.44 × 9,025.97
  4. Step 4: Simplify right side
    15,743.93x = 196,047,953.79
  5. Step 5: Solve for x
    x = 196,047,953.79/15,743.93
  6. Step 6: Final answer
    x = 12,452.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.