Home / 18,313.98-27,471.93-5,167.38

Finding the Fourth Proportional to 18,313.98, 27,471.93 and 5,167.38

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Solution

The fourth proportional to 18,313.98, 27,471.93 and 5,167.38 is: 7,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.98 : 27,471.93 = 5,167.38 : x
  2. Step 2: Convert to fraction form
    18,313.98/27,471.93 = 5,167.38/x
  3. Step 3: Cross multiply
    18,313.98x = 27,471.93 × 5,167.38
  4. Step 4: Simplify right side
    18,313.98x = 141,957,901.64
  5. Step 5: Solve for x
    x = 141,957,901.64/18,313.98
  6. Step 6: Final answer
    x = 7,751.34

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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.