Home / 20,301.24-28,014.57-11,346.96

Finding the Fourth Proportional to 20,301.24, 28,014.57 and 11,346.96

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Solution

The fourth proportional to 20,301.24, 28,014.57 and 11,346.96 is: 15,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.24 : 28,014.57 = 11,346.96 : x
  2. Step 2: Convert to fraction form
    20,301.24/28,014.57 = 11,346.96/x
  3. Step 3: Cross multiply
    20,301.24x = 28,014.57 × 11,346.96
  4. Step 4: Simplify right side
    20,301.24x = 317,880,205.21
  5. Step 5: Solve for x
    x = 317,880,205.21/20,301.24
  6. Step 6: Final answer
    x = 15,658.17

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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.