Home / 20,460.93-28,233.80-11,508.24

Finding the Fourth Proportional to 20,460.93, 28,233.80 and 11,508.24

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Solution

The fourth proportional to 20,460.93, 28,233.80 and 11,508.24 is: 15,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460.93 : 28,233.80 = 11,508.24 : x
  2. Step 2: Convert to fraction form
    20,460.93/28,233.80 = 11,508.24/x
  3. Step 3: Cross multiply
    20,460.93x = 28,233.80 × 11,508.24
  4. Step 4: Simplify right side
    20,460.93x = 324,921,288.97
  5. Step 5: Solve for x
    x = 324,921,288.97/20,460.93
  6. Step 6: Final answer
    x = 15,880.08

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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.