Home / 13,359.67-18,436.62-8,053.36

Finding the Fourth Proportional to 13,359.67, 18,436.62 and 8,053.36

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Solution

The fourth proportional to 13,359.67, 18,436.62 and 8,053.36 is: 11,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.67 : 18,436.62 = 8,053.36 : x
  2. Step 2: Convert to fraction form
    13,359.67/18,436.62 = 8,053.36/x
  3. Step 3: Cross multiply
    13,359.67x = 18,436.62 × 8,053.36
  4. Step 4: Simplify right side
    13,359.67x = 148,476,738.04
  5. Step 5: Solve for x
    x = 148,476,738.04/13,359.67
  6. Step 6: Final answer
    x = 11,113.80

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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.