Home / 27,255.69-37,611.54-15,320.14

Finding the Fourth Proportional to 27,255.69, 37,611.54 and 15,320.14

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Solution

The fourth proportional to 27,255.69, 37,611.54 and 15,320.14 is: 21,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.69 : 37,611.54 = 15,320.14 : x
  2. Step 2: Convert to fraction form
    27,255.69/37,611.54 = 15,320.14/x
  3. Step 3: Cross multiply
    27,255.69x = 37,611.54 × 15,320.14
  4. Step 4: Simplify right side
    27,255.69x = 576,213,964.39
  5. Step 5: Solve for x
    x = 576,213,964.39/27,255.69
  6. Step 6: Final answer
    x = 21,141.05

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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.