Home / 19,174.20-26,455.23-11,218.38

Finding the Fourth Proportional to 19,174.20, 26,455.23 and 11,218.38

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Solution

The fourth proportional to 19,174.20, 26,455.23 and 11,218.38 is: 15,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.20 : 26,455.23 = 11,218.38 : x
  2. Step 2: Convert to fraction form
    19,174.20/26,455.23 = 11,218.38/x
  3. Step 3: Cross multiply
    19,174.20x = 26,455.23 × 11,218.38
  4. Step 4: Simplify right side
    19,174.20x = 296,784,823.13
  5. Step 5: Solve for x
    x = 296,784,823.13/19,174.20
  6. Step 6: Final answer
    x = 15,478.34

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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.