Home / 18,396.12-27,595.14-5,247.24

Finding the Fourth Proportional to 18,396.12, 27,595.14 and 5,247.24

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Solution

The fourth proportional to 18,396.12, 27,595.14 and 5,247.24 is: 7,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.12 : 27,595.14 = 5,247.24 : x
  2. Step 2: Convert to fraction form
    18,396.12/27,595.14 = 5,247.24/x
  3. Step 3: Cross multiply
    18,396.12x = 27,595.14 × 5,247.24
  4. Step 4: Simplify right side
    18,396.12x = 144,798,322.41
  5. Step 5: Solve for x
    x = 144,798,322.41/18,396.12
  6. Step 6: Final answer
    x = 7,871.13

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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.