Home / 19,266.12-26,575.56-13,287.24

Finding the Fourth Proportional to 19,266.12, 26,575.56 and 13,287.24

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Solution

The fourth proportional to 19,266.12, 26,575.56 and 13,287.24 is: 18,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.12 : 26,575.56 = 13,287.24 : x
  2. Step 2: Convert to fraction form
    19,266.12/26,575.56 = 13,287.24/x
  3. Step 3: Cross multiply
    19,266.12x = 26,575.56 × 13,287.24
  4. Step 4: Simplify right side
    19,266.12x = 353,115,843.85
  5. Step 5: Solve for x
    x = 353,115,843.85/19,266.12
  6. Step 6: Final answer
    x = 18,328.33

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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.