Home / 18,045.77-27,071.57-5,562.87

Finding the Fourth Proportional to 18,045.77, 27,071.57 and 5,562.87

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Solution

The fourth proportional to 18,045.77, 27,071.57 and 5,562.87 is: 8,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.77 : 27,071.57 = 5,562.87 : x
  2. Step 2: Convert to fraction form
    18,045.77/27,071.57 = 5,562.87/x
  3. Step 3: Cross multiply
    18,045.77x = 27,071.57 × 5,562.87
  4. Step 4: Simplify right side
    18,045.77x = 150,595,758.23
  5. Step 5: Solve for x
    x = 150,595,758.23/18,045.77
  6. Step 6: Final answer
    x = 8,345.21

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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.