Home / 18,214.42-27,320.82-4,887.42

Finding the Fourth Proportional to 18,214.42, 27,320.82 and 4,887.42

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Solution

The fourth proportional to 18,214.42, 27,320.82 and 4,887.42 is: 7,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.42 : 27,320.82 = 4,887.42 : x
  2. Step 2: Convert to fraction form
    18,214.42/27,320.82 = 4,887.42/x
  3. Step 3: Cross multiply
    18,214.42x = 27,320.82 × 4,887.42
  4. Step 4: Simplify right side
    18,214.42x = 133,528,322.08
  5. Step 5: Solve for x
    x = 133,528,322.08/18,214.42
  6. Step 6: Final answer
    x = 7,330.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.