Home / 13,159.58-18,173-11,260.04

Finding the Fourth Proportional to 13,159.58, 18,173 and 11,260.04

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Solution

The fourth proportional to 13,159.58, 18,173 and 11,260.04 is: 15,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.58 : 18,173 = 11,260.04 : x
  2. Step 2: Convert to fraction form
    13,159.58/18,173 = 11,260.04/x
  3. Step 3: Cross multiply
    13,159.58x = 18,173 × 11,260.04
  4. Step 4: Simplify right side
    13,159.58x = 204,628,706.92
  5. Step 5: Solve for x
    x = 204,628,706.92/13,159.58
  6. Step 6: Final answer
    x = 15,549.79

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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.