Home / 27,470.58-37,912.89-15,533.66

Finding the Fourth Proportional to 27,470.58, 37,912.89 and 15,533.66

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Solution

The fourth proportional to 27,470.58, 37,912.89 and 15,533.66 is: 21,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,470.58 : 37,912.89 = 15,533.66 : x
  2. Step 2: Convert to fraction form
    27,470.58/37,912.89 = 15,533.66/x
  3. Step 3: Cross multiply
    27,470.58x = 37,912.89 × 15,533.66
  4. Step 4: Simplify right side
    27,470.58x = 588,925,882.65
  5. Step 5: Solve for x
    x = 588,925,882.65/27,470.58
  6. Step 6: Final answer
    x = 21,438.42

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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.