Home / 13,675.72-18,870.82-8,006.26

Finding the Fourth Proportional to 13,675.72, 18,870.82 and 8,006.26

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Solution

The fourth proportional to 13,675.72, 18,870.82 and 8,006.26 is: 11,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.72 : 18,870.82 = 8,006.26 : x
  2. Step 2: Convert to fraction form
    13,675.72/18,870.82 = 8,006.26/x
  3. Step 3: Cross multiply
    13,675.72x = 18,870.82 × 8,006.26
  4. Step 4: Simplify right side
    13,675.72x = 151,084,691.33
  5. Step 5: Solve for x
    x = 151,084,691.33/13,675.72
  6. Step 6: Final answer
    x = 11,047.66

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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.