Home / 27,333.45-37,720.89-15,396.08

Finding the Fourth Proportional to 27,333.45, 37,720.89 and 15,396.08

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Solution

The fourth proportional to 27,333.45, 37,720.89 and 15,396.08 is: 21,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,333.45 : 37,720.89 = 15,396.08 : x
  2. Step 2: Convert to fraction form
    27,333.45/37,720.89 = 15,396.08/x
  3. Step 3: Cross multiply
    27,333.45x = 37,720.89 × 15,396.08
  4. Step 4: Simplify right side
    27,333.45x = 580,753,651.51
  5. Step 5: Solve for x
    x = 580,753,651.51/27,333.45
  6. Step 6: Final answer
    x = 21,246.99

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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.