Home / 19,896.21-27,500.67-17,488.13

Finding the Fourth Proportional to 19,896.21, 27,500.67 and 17,488.13

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Solution

The fourth proportional to 19,896.21, 27,500.67 and 17,488.13 is: 24,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.21 : 27,500.67 = 17,488.13 : x
  2. Step 2: Convert to fraction form
    19,896.21/27,500.67 = 17,488.13/x
  3. Step 3: Cross multiply
    19,896.21x = 27,500.67 × 17,488.13
  4. Step 4: Simplify right side
    19,896.21x = 480,935,154.54
  5. Step 5: Solve for x
    x = 480,935,154.54/19,896.21
  6. Step 6: Final answer
    x = 24,172.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.