Home / 27,253.92-37,613.77-15,317

Finding the Fourth Proportional to 27,253.92, 37,613.77 and 15,317

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Solution

The fourth proportional to 27,253.92, 37,613.77 and 15,317 is: 21,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,253.92 : 37,613.77 = 15,317 : x
  2. Step 2: Convert to fraction form
    27,253.92/37,613.77 = 15,317/x
  3. Step 3: Cross multiply
    27,253.92x = 37,613.77 × 15,317
  4. Step 4: Simplify right side
    27,253.92x = 576,130,115.09
  5. Step 5: Solve for x
    x = 576,130,115.09/27,253.92
  6. Step 6: Final answer
    x = 21,139.35

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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.