Home / 19,810.17-27,339.66-11,314.89

Finding the Fourth Proportional to 19,810.17, 27,339.66 and 11,314.89

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Solution

The fourth proportional to 19,810.17, 27,339.66 and 11,314.89 is: 15,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.17 : 27,339.66 = 11,314.89 : x
  2. Step 2: Convert to fraction form
    19,810.17/27,339.66 = 11,314.89/x
  3. Step 3: Cross multiply
    19,810.17x = 27,339.66 × 11,314.89
  4. Step 4: Simplify right side
    19,810.17x = 309,345,245.54
  5. Step 5: Solve for x
    x = 309,345,245.54/19,810.17
  6. Step 6: Final answer
    x = 15,615.48

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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.