Home / 22,346.35-30,852.39-13,857.49

Finding the Fourth Proportional to 22,346.35, 30,852.39 and 13,857.49

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Solution

The fourth proportional to 22,346.35, 30,852.39 and 13,857.49 is: 19,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,346.35 : 30,852.39 = 13,857.49 : x
  2. Step 2: Convert to fraction form
    22,346.35/30,852.39 = 13,857.49/x
  3. Step 3: Cross multiply
    22,346.35x = 30,852.39 × 13,857.49
  4. Step 4: Simplify right side
    22,346.35x = 427,536,685.90
  5. Step 5: Solve for x
    x = 427,536,685.90/22,346.35
  6. Step 6: Final answer
    x = 19,132.28

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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.