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Finding the Fourth Proportional to 14,373.77, 19,837.71 and 8,087.36

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Solution

The fourth proportional to 14,373.77, 19,837.71 and 8,087.36 is: 11,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.77 : 19,837.71 = 8,087.36 : x
  2. Step 2: Convert to fraction form
    14,373.77/19,837.71 = 8,087.36/x
  3. Step 3: Cross multiply
    14,373.77x = 19,837.71 × 8,087.36
  4. Step 4: Simplify right side
    14,373.77x = 160,434,603.16
  5. Step 5: Solve for x
    x = 160,434,603.16/14,373.77
  6. Step 6: Final answer
    x = 11,161.63

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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.