Home / 19,003.86-28,478.25-13,074.66

Finding the Fourth Proportional to 19,003.86, 28,478.25 and 13,074.66

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Solution

The fourth proportional to 19,003.86, 28,478.25 and 13,074.66 is: 19,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.86 : 28,478.25 = 13,074.66 : x
  2. Step 2: Convert to fraction form
    19,003.86/28,478.25 = 13,074.66/x
  3. Step 3: Cross multiply
    19,003.86x = 28,478.25 × 13,074.66
  4. Step 4: Simplify right side
    19,003.86x = 372,343,436.15
  5. Step 5: Solve for x
    x = 372,343,436.15/19,003.86
  6. Step 6: Final answer
    x = 19,593.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.