Home / 20,683.18-28,541.04-11,732.14

Finding the Fourth Proportional to 20,683.18, 28,541.04 and 11,732.14

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Solution

The fourth proportional to 20,683.18, 28,541.04 and 11,732.14 is: 16,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,683.18 : 28,541.04 = 11,732.14 : x
  2. Step 2: Convert to fraction form
    20,683.18/28,541.04 = 11,732.14/x
  3. Step 3: Cross multiply
    20,683.18x = 28,541.04 × 11,732.14
  4. Step 4: Simplify right side
    20,683.18x = 334,847,334.32
  5. Step 5: Solve for x
    x = 334,847,334.32/20,683.18
  6. Step 6: Final answer
    x = 16,189.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.