Home / 27,055.40-37,336.40-15,118.74

Finding the Fourth Proportional to 27,055.40, 37,336.40 and 15,118.74

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Solution

The fourth proportional to 27,055.40, 37,336.40 and 15,118.74 is: 20,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,055.40 : 37,336.40 = 15,118.74 : x
  2. Step 2: Convert to fraction form
    27,055.40/37,336.40 = 15,118.74/x
  3. Step 3: Cross multiply
    27,055.40x = 37,336.40 × 15,118.74
  4. Step 4: Simplify right side
    27,055.40x = 564,479,410.25
  5. Step 5: Solve for x
    x = 564,479,410.25/27,055.40
  6. Step 6: Final answer
    x = 20,863.83

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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.