Home / 27,345.56-37,739.66-16,742.20

Finding the Fourth Proportional to 27,345.56, 37,739.66 and 16,742.20

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Solution

The fourth proportional to 27,345.56, 37,739.66 and 16,742.20 is: 23,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,345.56 : 37,739.66 = 16,742.20 : x
  2. Step 2: Convert to fraction form
    27,345.56/37,739.66 = 16,742.20/x
  3. Step 3: Cross multiply
    27,345.56x = 37,739.66 × 16,742.20
  4. Step 4: Simplify right side
    27,345.56x = 631,844,935.65
  5. Step 5: Solve for x
    x = 631,844,935.65/27,345.56
  6. Step 6: Final answer
    x = 23,105.94

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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.