Home / 17,820.54-24,611.76-11,877.42

Finding the Fourth Proportional to 17,820.54, 24,611.76 and 11,877.42

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Solution

The fourth proportional to 17,820.54, 24,611.76 and 11,877.42 is: 16,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.54 : 24,611.76 = 11,877.42 : x
  2. Step 2: Convert to fraction form
    17,820.54/24,611.76 = 11,877.42/x
  3. Step 3: Cross multiply
    17,820.54x = 24,611.76 × 11,877.42
  4. Step 4: Simplify right side
    17,820.54x = 292,324,210.46
  5. Step 5: Solve for x
    x = 292,324,210.46/17,820.54
  6. Step 6: Final answer
    x = 16,403.78

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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.