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Finding the Fourth Proportional to 14,373.88, 19,837.77 and 8,087.47

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Solution

The fourth proportional to 14,373.88, 19,837.77 and 8,087.47 is: 11,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.88 : 19,837.77 = 8,087.47 : x
  2. Step 2: Convert to fraction form
    14,373.88/19,837.77 = 8,087.47/x
  3. Step 3: Cross multiply
    14,373.88x = 19,837.77 × 8,087.47
  4. Step 4: Simplify right side
    14,373.88x = 160,437,270.55
  5. Step 5: Solve for x
    x = 160,437,270.55/14,373.88
  6. Step 6: Final answer
    x = 11,161.73

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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.