Home / 22,333.66-30,814.70-13,374.79

Finding the Fourth Proportional to 22,333.66, 30,814.70 and 13,374.79

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Solution

The fourth proportional to 22,333.66, 30,814.70 and 13,374.79 is: 18,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,333.66 : 30,814.70 = 13,374.79 : x
  2. Step 2: Convert to fraction form
    22,333.66/30,814.70 = 13,374.79/x
  3. Step 3: Cross multiply
    22,333.66x = 30,814.70 × 13,374.79
  4. Step 4: Simplify right side
    22,333.66x = 412,139,997.50
  5. Step 5: Solve for x
    x = 412,139,997.50/22,333.66
  6. Step 6: Final answer
    x = 18,453.76

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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.