Home / 27,187.11-37,539.45-17,631.54

Finding the Fourth Proportional to 27,187.11, 37,539.45 and 17,631.54

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Solution

The fourth proportional to 27,187.11, 37,539.45 and 17,631.54 is: 24,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.11 : 37,539.45 = 17,631.54 : x
  2. Step 2: Convert to fraction form
    27,187.11/37,539.45 = 17,631.54/x
  3. Step 3: Cross multiply
    27,187.11x = 37,539.45 × 17,631.54
  4. Step 4: Simplify right side
    27,187.11x = 661,878,314.25
  5. Step 5: Solve for x
    x = 661,878,314.25/27,187.11
  6. Step 6: Final answer
    x = 24,345.30

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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.