Home / 27,125.64-37,447.38-18,727.56

Finding the Fourth Proportional to 27,125.64, 37,447.38 and 18,727.56

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Solution

The fourth proportional to 27,125.64, 37,447.38 and 18,727.56 is: 25,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.64 : 37,447.38 = 18,727.56 : x
  2. Step 2: Convert to fraction form
    27,125.64/37,447.38 = 18,727.56/x
  3. Step 3: Cross multiply
    27,125.64x = 37,447.38 × 18,727.56
  4. Step 4: Simplify right side
    27,125.64x = 701,298,055.79
  5. Step 5: Solve for x
    x = 701,298,055.79/27,125.64
  6. Step 6: Final answer
    x = 25,853.70

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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.