Home / 22,418.35-30,947.60-15,962.18

Finding the Fourth Proportional to 22,418.35, 30,947.60 and 15,962.18

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Solution

The fourth proportional to 22,418.35, 30,947.60 and 15,962.18 is: 22,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.35 : 30,947.60 = 15,962.18 : x
  2. Step 2: Convert to fraction form
    22,418.35/30,947.60 = 15,962.18/x
  3. Step 3: Cross multiply
    22,418.35x = 30,947.60 × 15,962.18
  4. Step 4: Simplify right side
    22,418.35x = 493,991,161.77
  5. Step 5: Solve for x
    x = 493,991,161.77/22,418.35
  6. Step 6: Final answer
    x = 22,035.13

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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.