Home / 20,954.24-31,410.60-9,841.04

Finding the Fourth Proportional to 20,954.24, 31,410.60 and 9,841.04

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Solution

The fourth proportional to 20,954.24, 31,410.60 and 9,841.04 is: 14,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954.24 : 31,410.60 = 9,841.04 : x
  2. Step 2: Convert to fraction form
    20,954.24/31,410.60 = 9,841.04/x
  3. Step 3: Cross multiply
    20,954.24x = 31,410.60 × 9,841.04
  4. Step 4: Simplify right side
    20,954.24x = 309,112,971.02
  5. Step 5: Solve for x
    x = 309,112,971.02/20,954.24
  6. Step 6: Final answer
    x = 14,751.81

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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.