Home / 20,496.68-28,285.26-11,544.32

Finding the Fourth Proportional to 20,496.68, 28,285.26 and 11,544.32

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Solution

The fourth proportional to 20,496.68, 28,285.26 and 11,544.32 is: 15,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.68 : 28,285.26 = 11,544.32 : x
  2. Step 2: Convert to fraction form
    20,496.68/28,285.26 = 11,544.32/x
  3. Step 3: Cross multiply
    20,496.68x = 28,285.26 × 11,544.32
  4. Step 4: Simplify right side
    20,496.68x = 326,534,092.72
  5. Step 5: Solve for x
    x = 326,534,092.72/20,496.68
  6. Step 6: Final answer
    x = 15,931.07

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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.