Home / 13,876.38-19,116.02-9,619.94

Finding the Fourth Proportional to 13,876.38, 19,116.02 and 9,619.94

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Solution

The fourth proportional to 13,876.38, 19,116.02 and 9,619.94 is: 13,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.38 : 19,116.02 = 9,619.94 : x
  2. Step 2: Convert to fraction form
    13,876.38/19,116.02 = 9,619.94/x
  3. Step 3: Cross multiply
    13,876.38x = 19,116.02 × 9,619.94
  4. Step 4: Simplify right side
    13,876.38x = 183,894,965.44
  5. Step 5: Solve for x
    x = 183,894,965.44/13,876.38
  6. Step 6: Final answer
    x = 13,252.37

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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.