Home / 19,699.59-27,184.37-11,316.09

Finding the Fourth Proportional to 19,699.59, 27,184.37 and 11,316.09

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Solution

The fourth proportional to 19,699.59, 27,184.37 and 11,316.09 is: 15,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.59 : 27,184.37 = 11,316.09 : x
  2. Step 2: Convert to fraction form
    19,699.59/27,184.37 = 11,316.09/x
  3. Step 3: Cross multiply
    19,699.59x = 27,184.37 × 11,316.09
  4. Step 4: Simplify right side
    19,699.59x = 307,620,720.93
  5. Step 5: Solve for x
    x = 307,620,720.93/19,699.59
  6. Step 6: Final answer
    x = 15,615.59

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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.