Home / 20,924.53-31,371.75-9,825.05

Finding the Fourth Proportional to 20,924.53, 31,371.75 and 9,825.05

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Solution

The fourth proportional to 20,924.53, 31,371.75 and 9,825.05 is: 14,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.53 : 31,371.75 = 9,825.05 : x
  2. Step 2: Convert to fraction form
    20,924.53/31,371.75 = 9,825.05/x
  3. Step 3: Cross multiply
    20,924.53x = 31,371.75 × 9,825.05
  4. Step 4: Simplify right side
    20,924.53x = 308,229,012.34
  5. Step 5: Solve for x
    x = 308,229,012.34/20,924.53
  6. Step 6: Final answer
    x = 14,730.51

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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.