Home / 17,700.57-26,555.42-5,220.09

Finding the Fourth Proportional to 17,700.57, 26,555.42 and 5,220.09

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Solution

The fourth proportional to 17,700.57, 26,555.42 and 5,220.09 is: 7,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,700.57 : 26,555.42 = 5,220.09 : x
  2. Step 2: Convert to fraction form
    17,700.57/26,555.42 = 5,220.09/x
  3. Step 3: Cross multiply
    17,700.57x = 26,555.42 × 5,220.09
  4. Step 4: Simplify right side
    17,700.57x = 138,621,722.68
  5. Step 5: Solve for x
    x = 138,621,722.68/17,700.57
  6. Step 6: Final answer
    x = 7,831.48

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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.