Home / 19,265.88-26,537.45-13,590.64

Finding the Fourth Proportional to 19,265.88, 26,537.45 and 13,590.64

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Solution

The fourth proportional to 19,265.88, 26,537.45 and 13,590.64 is: 18,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.88 : 26,537.45 = 13,590.64 : x
  2. Step 2: Convert to fraction form
    19,265.88/26,537.45 = 13,590.64/x
  3. Step 3: Cross multiply
    19,265.88x = 26,537.45 × 13,590.64
  4. Step 4: Simplify right side
    19,265.88x = 360,661,007.55
  5. Step 5: Solve for x
    x = 360,661,007.55/19,265.88
  6. Step 6: Final answer
    x = 18,720.20

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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.