Home / 18,346.32-27,529.20-7,965.36

Finding the Fourth Proportional to 18,346.32, 27,529.20 and 7,965.36

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Solution

The fourth proportional to 18,346.32, 27,529.20 and 7,965.36 is: 11,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.32 : 27,529.20 = 7,965.36 : x
  2. Step 2: Convert to fraction form
    18,346.32/27,529.20 = 7,965.36/x
  3. Step 3: Cross multiply
    18,346.32x = 27,529.20 × 7,965.36
  4. Step 4: Simplify right side
    18,346.32x = 219,279,988.51
  5. Step 5: Solve for x
    x = 219,279,988.51/18,346.32
  6. Step 6: Final answer
    x = 11,952.26

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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.