Home / 22,047.03-30,408.22-15,329.29

Finding the Fourth Proportional to 22,047.03, 30,408.22 and 15,329.29

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Solution

The fourth proportional to 22,047.03, 30,408.22 and 15,329.29 is: 21,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.03 : 30,408.22 = 15,329.29 : x
  2. Step 2: Convert to fraction form
    22,047.03/30,408.22 = 15,329.29/x
  3. Step 3: Cross multiply
    22,047.03x = 30,408.22 × 15,329.29
  4. Step 4: Simplify right side
    22,047.03x = 466,136,422.76
  5. Step 5: Solve for x
    x = 466,136,422.76/22,047.03
  6. Step 6: Final answer
    x = 21,142.83

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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.