Home / 27,512.27-37,965.05-15,574.89

Finding the Fourth Proportional to 27,512.27, 37,965.05 and 15,574.89

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Solution

The fourth proportional to 27,512.27, 37,965.05 and 15,574.89 is: 21,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,512.27 : 37,965.05 = 15,574.89 : x
  2. Step 2: Convert to fraction form
    27,512.27/37,965.05 = 15,574.89/x
  3. Step 3: Cross multiply
    27,512.27x = 37,965.05 × 15,574.89
  4. Step 4: Simplify right side
    27,512.27x = 591,301,399.72
  5. Step 5: Solve for x
    x = 591,301,399.72/27,512.27
  6. Step 6: Final answer
    x = 21,492.28

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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.