Home / 18,222.30-25,149.15-10,266.06

Finding the Fourth Proportional to 18,222.30, 25,149.15 and 10,266.06

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Solution

The fourth proportional to 18,222.30, 25,149.15 and 10,266.06 is: 14,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.30 : 25,149.15 = 10,266.06 : x
  2. Step 2: Convert to fraction form
    18,222.30/25,149.15 = 10,266.06/x
  3. Step 3: Cross multiply
    18,222.30x = 25,149.15 × 10,266.06
  4. Step 4: Simplify right side
    18,222.30x = 258,182,682.85
  5. Step 5: Solve for x
    x = 258,182,682.85/18,222.30
  6. Step 6: Final answer
    x = 14,168.50

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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.