Home / 20,741.64-31,093.02-10,341.96

Finding the Fourth Proportional to 20,741.64, 31,093.02 and 10,341.96

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Solution

The fourth proportional to 20,741.64, 31,093.02 and 10,341.96 is: 15,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.64 : 31,093.02 = 10,341.96 : x
  2. Step 2: Convert to fraction form
    20,741.64/31,093.02 = 10,341.96/x
  3. Step 3: Cross multiply
    20,741.64x = 31,093.02 × 10,341.96
  4. Step 4: Simplify right side
    20,741.64x = 321,562,769.12
  5. Step 5: Solve for x
    x = 321,562,769.12/20,741.64
  6. Step 6: Final answer
    x = 15,503.25

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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.