Home / 27,256.69-37,612.92-15,321.14

Finding the Fourth Proportional to 27,256.69, 37,612.92 and 15,321.14

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Solution

The fourth proportional to 27,256.69, 37,612.92 and 15,321.14 is: 21,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,256.69 : 37,612.92 = 15,321.14 : x
  2. Step 2: Convert to fraction form
    27,256.69/37,612.92 = 15,321.14/x
  3. Step 3: Cross multiply
    27,256.69x = 37,612.92 × 15,321.14
  4. Step 4: Simplify right side
    27,256.69x = 576,272,813.13
  5. Step 5: Solve for x
    x = 576,272,813.13/27,256.69
  6. Step 6: Final answer
    x = 21,142.44

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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.