Home / 27,255.04-37,614.66-18,321.22

Finding the Fourth Proportional to 27,255.04, 37,614.66 and 18,321.22

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Solution

The fourth proportional to 27,255.04, 37,614.66 and 18,321.22 is: 25,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.04 : 37,614.66 = 18,321.22 : x
  2. Step 2: Convert to fraction form
    27,255.04/37,614.66 = 18,321.22/x
  3. Step 3: Cross multiply
    27,255.04x = 37,614.66 × 18,321.22
  4. Step 4: Simplify right side
    27,255.04x = 689,146,461.09
  5. Step 5: Solve for x
    x = 689,146,461.09/27,255.04
  6. Step 6: Final answer
    x = 25,285.10

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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.