Home / 20,608.53-28,444.03-11,656.41

Finding the Fourth Proportional to 20,608.53, 28,444.03 and 11,656.41

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Solution

The fourth proportional to 20,608.53, 28,444.03 and 11,656.41 is: 16,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.53 : 28,444.03 = 11,656.41 : x
  2. Step 2: Convert to fraction form
    20,608.53/28,444.03 = 11,656.41/x
  3. Step 3: Cross multiply
    20,608.53x = 28,444.03 × 11,656.41
  4. Step 4: Simplify right side
    20,608.53x = 331,555,275.73
  5. Step 5: Solve for x
    x = 331,555,275.73/20,608.53
  6. Step 6: Final answer
    x = 16,088.25

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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.