Home / 18,316.23-27,475.31-5,169.63

Finding the Fourth Proportional to 18,316.23, 27,475.31 and 5,169.63

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Solution

The fourth proportional to 18,316.23, 27,475.31 and 5,169.63 is: 7,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.23 : 27,475.31 = 5,169.63 : x
  2. Step 2: Convert to fraction form
    18,316.23/27,475.31 = 5,169.63/x
  3. Step 3: Cross multiply
    18,316.23x = 27,475.31 × 5,169.63
  4. Step 4: Simplify right side
    18,316.23x = 142,037,160.99
  5. Step 5: Solve for x
    x = 142,037,160.99/18,316.23
  6. Step 6: Final answer
    x = 7,754.72

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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.