Home / 20,264.70-30,402.21-6,225.48

Finding the Fourth Proportional to 20,264.70, 30,402.21 and 6,225.48

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Solution

The fourth proportional to 20,264.70, 30,402.21 and 6,225.48 is: 9,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.70 : 30,402.21 = 6,225.48 : x
  2. Step 2: Convert to fraction form
    20,264.70/30,402.21 = 6,225.48/x
  3. Step 3: Cross multiply
    20,264.70x = 30,402.21 × 6,225.48
  4. Step 4: Simplify right side
    20,264.70x = 189,268,350.31
  5. Step 5: Solve for x
    x = 189,268,350.31/20,264.70
  6. Step 6: Final answer
    x = 9,339.81

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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.