Home / 27,047.61-37,272.97-19,479.67

Finding the Fourth Proportional to 27,047.61, 37,272.97 and 19,479.67

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Solution

The fourth proportional to 27,047.61, 37,272.97 and 19,479.67 is: 26,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,047.61 : 37,272.97 = 19,479.67 : x
  2. Step 2: Convert to fraction form
    27,047.61/37,272.97 = 19,479.67/x
  3. Step 3: Cross multiply
    27,047.61x = 37,272.97 × 19,479.67
  4. Step 4: Simplify right side
    27,047.61x = 726,065,155.52
  5. Step 5: Solve for x
    x = 726,065,155.52/27,047.61
  6. Step 6: Final answer
    x = 26,843.97

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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.