Home / 22,213.48-33,315.30-6,415.07

Finding the Fourth Proportional to 22,213.48, 33,315.30 and 6,415.07

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Solution

The fourth proportional to 22,213.48, 33,315.30 and 6,415.07 is: 9,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.48 : 33,315.30 = 6,415.07 : x
  2. Step 2: Convert to fraction form
    22,213.48/33,315.30 = 6,415.07/x
  3. Step 3: Cross multiply
    22,213.48x = 33,315.30 × 6,415.07
  4. Step 4: Simplify right side
    22,213.48x = 213,719,981.57
  5. Step 5: Solve for x
    x = 213,719,981.57/22,213.48
  6. Step 6: Final answer
    x = 9,621.18

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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.