Home / 22,234.66-30,701.51-13,749.10

Finding the Fourth Proportional to 22,234.66, 30,701.51 and 13,749.10

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Solution

The fourth proportional to 22,234.66, 30,701.51 and 13,749.10 is: 18,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,234.66 : 30,701.51 = 13,749.10 : x
  2. Step 2: Convert to fraction form
    22,234.66/30,701.51 = 13,749.10/x
  3. Step 3: Cross multiply
    22,234.66x = 30,701.51 × 13,749.10
  4. Step 4: Simplify right side
    22,234.66x = 422,118,131.14
  5. Step 5: Solve for x
    x = 422,118,131.14/22,234.66
  6. Step 6: Final answer
    x = 18,984.69

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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.