Home / 22,281.99-33,422.63-5,415.14

Finding the Fourth Proportional to 22,281.99, 33,422.63 and 5,415.14

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Solution

The fourth proportional to 22,281.99, 33,422.63 and 5,415.14 is: 8,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.99 : 33,422.63 = 5,415.14 : x
  2. Step 2: Convert to fraction form
    22,281.99/33,422.63 = 5,415.14/x
  3. Step 3: Cross multiply
    22,281.99x = 33,422.63 × 5,415.14
  4. Step 4: Simplify right side
    22,281.99x = 180,988,046.74
  5. Step 5: Solve for x
    x = 180,988,046.74/22,281.99
  6. Step 6: Final answer
    x = 8,122.62

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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.