Home / 18,448.74-27,679.59-15,696.36

Finding the Fourth Proportional to 18,448.74, 27,679.59 and 15,696.36

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Solution

The fourth proportional to 18,448.74, 27,679.59 and 15,696.36 is: 23,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.74 : 27,679.59 = 15,696.36 : x
  2. Step 2: Convert to fraction form
    18,448.74/27,679.59 = 15,696.36/x
  3. Step 3: Cross multiply
    18,448.74x = 27,679.59 × 15,696.36
  4. Step 4: Simplify right side
    18,448.74x = 434,468,809.29
  5. Step 5: Solve for x
    x = 434,468,809.29/18,448.74
  6. Step 6: Final answer
    x = 23,550.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.