Home / 18,463.06-27,695.94-5,315.68

Finding the Fourth Proportional to 18,463.06, 27,695.94 and 5,315.68

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Solution

The fourth proportional to 18,463.06, 27,695.94 and 5,315.68 is: 7,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.06 : 27,695.94 = 5,315.68 : x
  2. Step 2: Convert to fraction form
    18,463.06/27,695.94 = 5,315.68/x
  3. Step 3: Cross multiply
    18,463.06x = 27,695.94 × 5,315.68
  4. Step 4: Simplify right side
    18,463.06x = 147,222,754.34
  5. Step 5: Solve for x
    x = 147,222,754.34/18,463.06
  6. Step 6: Final answer
    x = 7,973.91

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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.