Home / 27,476.08-37,910.64-18,540.16

Finding the Fourth Proportional to 27,476.08, 37,910.64 and 18,540.16

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Solution

The fourth proportional to 27,476.08, 37,910.64 and 18,540.16 is: 25,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,476.08 : 37,910.64 = 18,540.16 : x
  2. Step 2: Convert to fraction form
    27,476.08/37,910.64 = 18,540.16/x
  3. Step 3: Cross multiply
    27,476.08x = 37,910.64 × 18,540.16
  4. Step 4: Simplify right side
    27,476.08x = 702,869,331.30
  5. Step 5: Solve for x
    x = 702,869,331.30/27,476.08
  6. Step 6: Final answer
    x = 25,581.14

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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.