Home / 18,036.54-27,053.79-4,887.94

Finding the Fourth Proportional to 18,036.54, 27,053.79 and 4,887.94

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Solution

The fourth proportional to 18,036.54, 27,053.79 and 4,887.94 is: 7,331.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.54 : 27,053.79 = 4,887.94 : x
  2. Step 2: Convert to fraction form
    18,036.54/27,053.79 = 4,887.94/x
  3. Step 3: Cross multiply
    18,036.54x = 27,053.79 × 4,887.94
  4. Step 4: Simplify right side
    18,036.54x = 132,237,302.29
  5. Step 5: Solve for x
    x = 132,237,302.29/18,036.54
  6. Step 6: Final answer
    x = 7,331.63

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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.