Home / 27,774.25-38,328.47-15,199

Finding the Fourth Proportional to 27,774.25, 38,328.47 and 15,199

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Solution

The fourth proportional to 27,774.25, 38,328.47 and 15,199 is: 20,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774.25 : 38,328.47 = 15,199 : x
  2. Step 2: Convert to fraction form
    27,774.25/38,328.47 = 15,199/x
  3. Step 3: Cross multiply
    27,774.25x = 38,328.47 × 15,199
  4. Step 4: Simplify right side
    27,774.25x = 582,554,415.53
  5. Step 5: Solve for x
    x = 582,554,415.53/27,774.25
  6. Step 6: Final answer
    x = 20,974.62

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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.