Home / 27,405.50-37,819.38-15,468.74

Finding the Fourth Proportional to 27,405.50, 37,819.38 and 15,468.74

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Solution

The fourth proportional to 27,405.50, 37,819.38 and 15,468.74 is: 21,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.50 : 37,819.38 = 15,468.74 : x
  2. Step 2: Convert to fraction form
    27,405.50/37,819.38 = 15,468.74/x
  3. Step 3: Cross multiply
    27,405.50x = 37,819.38 × 15,468.74
  4. Step 4: Simplify right side
    27,405.50x = 585,018,156.18
  5. Step 5: Solve for x
    x = 585,018,156.18/27,405.50
  6. Step 6: Final answer
    x = 21,346.74

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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.