Home / 22,936.23-34,401.60-7,142.40

Finding the Fourth Proportional to 22,936.23, 34,401.60 and 7,142.40

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Solution

The fourth proportional to 22,936.23, 34,401.60 and 7,142.40 is: 10,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936.23 : 34,401.60 = 7,142.40 : x
  2. Step 2: Convert to fraction form
    22,936.23/34,401.60 = 7,142.40/x
  3. Step 3: Cross multiply
    22,936.23x = 34,401.60 × 7,142.40
  4. Step 4: Simplify right side
    22,936.23x = 245,709,987.84
  5. Step 5: Solve for x
    x = 245,709,987.84/22,936.23
  6. Step 6: Final answer
    x = 10,712.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.