Home / 25,601.67-35,322.21-20,207.07

Finding the Fourth Proportional to 25,601.67, 35,322.21 and 20,207.07

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Solution

The fourth proportional to 25,601.67, 35,322.21 and 20,207.07 is: 27,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,601.67 : 35,322.21 = 20,207.07 : x
  2. Step 2: Convert to fraction form
    25,601.67/35,322.21 = 20,207.07/x
  3. Step 3: Cross multiply
    25,601.67x = 35,322.21 × 20,207.07
  4. Step 4: Simplify right side
    25,601.67x = 713,758,370.02
  5. Step 5: Solve for x
    x = 713,758,370.02/25,601.67
  6. Step 6: Final answer
    x = 27,879.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.