Home / 20,693.29-31,055.33-10,168.96

Finding the Fourth Proportional to 20,693.29, 31,055.33 and 10,168.96

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Solution

The fourth proportional to 20,693.29, 31,055.33 and 10,168.96 is: 15,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693.29 : 31,055.33 = 10,168.96 : x
  2. Step 2: Convert to fraction form
    20,693.29/31,055.33 = 10,168.96/x
  3. Step 3: Cross multiply
    20,693.29x = 31,055.33 × 10,168.96
  4. Step 4: Simplify right side
    20,693.29x = 315,800,408.56
  5. Step 5: Solve for x
    x = 315,800,408.56/20,693.29
  6. Step 6: Final answer
    x = 15,261.01

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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.