Home / 20,125.31-30,188.22-6,085.44

Finding the Fourth Proportional to 20,125.31, 30,188.22 and 6,085.44

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Solution

The fourth proportional to 20,125.31, 30,188.22 and 6,085.44 is: 9,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.31 : 30,188.22 = 6,085.44 : x
  2. Step 2: Convert to fraction form
    20,125.31/30,188.22 = 6,085.44/x
  3. Step 3: Cross multiply
    20,125.31x = 30,188.22 × 6,085.44
  4. Step 4: Simplify right side
    20,125.31x = 183,708,601.52
  5. Step 5: Solve for x
    x = 183,708,601.52/20,125.31
  6. Step 6: Final answer
    x = 9,128.24

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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.