Home / 22,144.82-30,570.74-15,344.00

Finding the Fourth Proportional to 22,144.82, 30,570.74 and 15,344.00

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Solution

The fourth proportional to 22,144.82, 30,570.74 and 15,344.00 is: 21,182.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.82 : 30,570.74 = 15,344.00 : x
  2. Step 2: Convert to fraction form
    22,144.82/30,570.74 = 15,344.00/x
  3. Step 3: Cross multiply
    22,144.82x = 30,570.74 × 15,344.00
  4. Step 4: Simplify right side
    22,144.82x = 469,077,204.99
  5. Step 5: Solve for x
    x = 469,077,204.99/22,144.82
  6. Step 6: Final answer
    x = 21,182.26

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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.