Home / 18,496.39-27,743.36-7,965.98

Finding the Fourth Proportional to 18,496.39, 27,743.36 and 7,965.98

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Solution

The fourth proportional to 18,496.39, 27,743.36 and 7,965.98 is: 11,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.39 : 27,743.36 = 7,965.98 : x
  2. Step 2: Convert to fraction form
    18,496.39/27,743.36 = 7,965.98/x
  3. Step 3: Cross multiply
    18,496.39x = 27,743.36 × 7,965.98
  4. Step 4: Simplify right side
    18,496.39x = 221,003,070.81
  5. Step 5: Solve for x
    x = 221,003,070.81/18,496.39
  6. Step 6: Final answer
    x = 11,948.45

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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.