Home / 22,401.24-30,908.28-18,829.68

Finding the Fourth Proportional to 22,401.24, 30,908.28 and 18,829.68

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Solution

The fourth proportional to 22,401.24, 30,908.28 and 18,829.68 is: 25,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,401.24 : 30,908.28 = 18,829.68 : x
  2. Step 2: Convert to fraction form
    22,401.24/30,908.28 = 18,829.68/x
  3. Step 3: Cross multiply
    22,401.24x = 30,908.28 × 18,829.68
  4. Step 4: Simplify right side
    22,401.24x = 581,993,021.75
  5. Step 5: Solve for x
    x = 581,993,021.75/22,401.24
  6. Step 6: Final answer
    x = 25,980.39

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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.