Home / 20,727.18-31,096.85-6,686.93

Finding the Fourth Proportional to 20,727.18, 31,096.85 and 6,686.93

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Solution

The fourth proportional to 20,727.18, 31,096.85 and 6,686.93 is: 10,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.18 : 31,096.85 = 6,686.93 : x
  2. Step 2: Convert to fraction form
    20,727.18/31,096.85 = 6,686.93/x
  3. Step 3: Cross multiply
    20,727.18x = 31,096.85 × 6,686.93
  4. Step 4: Simplify right side
    20,727.18x = 207,942,459.17
  5. Step 5: Solve for x
    x = 207,942,459.17/20,727.18
  6. Step 6: Final answer
    x = 10,032.36

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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.