Home / 18,220.61-25,144.97-10,263.58

Finding the Fourth Proportional to 18,220.61, 25,144.97 and 10,263.58

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Solution

The fourth proportional to 18,220.61, 25,144.97 and 10,263.58 is: 14,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.61 : 25,144.97 = 10,263.58 : x
  2. Step 2: Convert to fraction form
    18,220.61/25,144.97 = 10,263.58/x
  3. Step 3: Cross multiply
    18,220.61x = 25,144.97 × 10,263.58
  4. Step 4: Simplify right side
    18,220.61x = 258,077,297.01
  5. Step 5: Solve for x
    x = 258,077,297.01/18,220.61
  6. Step 6: Final answer
    x = 14,164.03

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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.