Home / 13,551.66-18,694.26-9,566.46

Finding the Fourth Proportional to 13,551.66, 18,694.26 and 9,566.46

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Solution

The fourth proportional to 13,551.66, 18,694.26 and 9,566.46 is: 13,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.66 : 18,694.26 = 9,566.46 : x
  2. Step 2: Convert to fraction form
    13,551.66/18,694.26 = 9,566.46/x
  3. Step 3: Cross multiply
    13,551.66x = 18,694.26 × 9,566.46
  4. Step 4: Simplify right side
    13,551.66x = 178,837,890.52
  5. Step 5: Solve for x
    x = 178,837,890.52/13,551.66
  6. Step 6: Final answer
    x = 13,196.75

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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.