Home / 18,207.50-27,312.73-5,059.87

Finding the Fourth Proportional to 18,207.50, 27,312.73 and 5,059.87

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Solution

The fourth proportional to 18,207.50, 27,312.73 and 5,059.87 is: 7,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.50 : 27,312.73 = 5,059.87 : x
  2. Step 2: Convert to fraction form
    18,207.50/27,312.73 = 5,059.87/x
  3. Step 3: Cross multiply
    18,207.50x = 27,312.73 × 5,059.87
  4. Step 4: Simplify right side
    18,207.50x = 138,198,944.08
  5. Step 5: Solve for x
    x = 138,198,944.08/18,207.50
  6. Step 6: Final answer
    x = 7,590.22

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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.