Home / 13,761.84-19,003.92-10,006.64

Finding the Fourth Proportional to 13,761.84, 19,003.92 and 10,006.64

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Solution

The fourth proportional to 13,761.84, 19,003.92 and 10,006.64 is: 13,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.84 : 19,003.92 = 10,006.64 : x
  2. Step 2: Convert to fraction form
    13,761.84/19,003.92 = 10,006.64/x
  3. Step 3: Cross multiply
    13,761.84x = 19,003.92 × 10,006.64
  4. Step 4: Simplify right side
    13,761.84x = 190,165,386.03
  5. Step 5: Solve for x
    x = 190,165,386.03/13,761.84
  6. Step 6: Final answer
    x = 13,818.31

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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.