Home / 22,053.84-30,435.66-12,622.20

Finding the Fourth Proportional to 22,053.84, 30,435.66 and 12,622.20

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Solution

The fourth proportional to 22,053.84, 30,435.66 and 12,622.20 is: 17,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.84 : 30,435.66 = 12,622.20 : x
  2. Step 2: Convert to fraction form
    22,053.84/30,435.66 = 12,622.20/x
  3. Step 3: Cross multiply
    22,053.84x = 30,435.66 × 12,622.20
  4. Step 4: Simplify right side
    22,053.84x = 384,164,987.65
  5. Step 5: Solve for x
    x = 384,164,987.65/22,053.84
  6. Step 6: Final answer
    x = 17,419.41

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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.