Home / 19,174.26-26,455.14-11,515.52

Finding the Fourth Proportional to 19,174.26, 26,455.14 and 11,515.52

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Solution

The fourth proportional to 19,174.26, 26,455.14 and 11,515.52 is: 15,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.26 : 26,455.14 = 11,515.52 : x
  2. Step 2: Convert to fraction form
    19,174.26/26,455.14 = 11,515.52/x
  3. Step 3: Cross multiply
    19,174.26x = 26,455.14 × 11,515.52
  4. Step 4: Simplify right side
    19,174.26x = 304,644,693.77
  5. Step 5: Solve for x
    x = 304,644,693.77/19,174.26
  6. Step 6: Final answer
    x = 15,888.21

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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.