Home / 20,025.89-30,032.69-9,492.80

Finding the Fourth Proportional to 20,025.89, 30,032.69 and 9,492.80

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Solution

The fourth proportional to 20,025.89, 30,032.69 and 9,492.80 is: 14,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.89 : 30,032.69 = 9,492.80 : x
  2. Step 2: Convert to fraction form
    20,025.89/30,032.69 = 9,492.80/x
  3. Step 3: Cross multiply
    20,025.89x = 30,032.69 × 9,492.80
  4. Step 4: Simplify right side
    20,025.89x = 285,094,418.45
  5. Step 5: Solve for x
    x = 285,094,418.45/20,025.89
  6. Step 6: Final answer
    x = 14,236.29

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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.