Home / 27,148.17-37,464.45-15,211.60

Finding the Fourth Proportional to 27,148.17, 37,464.45 and 15,211.60

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Solution

The fourth proportional to 27,148.17, 37,464.45 and 15,211.60 is: 20,991.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.17 : 37,464.45 = 15,211.60 : x
  2. Step 2: Convert to fraction form
    27,148.17/37,464.45 = 15,211.60/x
  3. Step 3: Cross multiply
    27,148.17x = 37,464.45 × 15,211.60
  4. Step 4: Simplify right side
    27,148.17x = 569,894,078.33
  5. Step 5: Solve for x
    x = 569,894,078.33/27,148.17
  6. Step 6: Final answer
    x = 20,991.99

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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.