Home / 22,363.45-30,893.06-21,182.47

Finding the Fourth Proportional to 22,363.45, 30,893.06 and 21,182.47

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Solution

The fourth proportional to 22,363.45, 30,893.06 and 21,182.47 is: 29,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363.45 : 30,893.06 = 21,182.47 : x
  2. Step 2: Convert to fraction form
    22,363.45/30,893.06 = 21,182.47/x
  3. Step 3: Cross multiply
    22,363.45x = 30,893.06 × 21,182.47
  4. Step 4: Simplify right side
    22,363.45x = 654,391,316.66
  5. Step 5: Solve for x
    x = 654,391,316.66/22,363.45
  6. Step 6: Final answer
    x = 29,261.64

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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.