Home / 15,743.42-21,723.66-9,029.33

Finding the Fourth Proportional to 15,743.42, 21,723.66 and 9,029.33

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Solution

The fourth proportional to 15,743.42, 21,723.66 and 9,029.33 is: 12,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.42 : 21,723.66 = 9,029.33 : x
  2. Step 2: Convert to fraction form
    15,743.42/21,723.66 = 9,029.33/x
  3. Step 3: Cross multiply
    15,743.42x = 21,723.66 × 9,029.33
  4. Step 4: Simplify right side
    15,743.42x = 196,150,094.95
  5. Step 5: Solve for x
    x = 196,150,094.95/15,743.42
  6. Step 6: Final answer
    x = 12,459.18

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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.