Home / 19,116.74-26,380.19-10,619.40

Finding the Fourth Proportional to 19,116.74, 26,380.19 and 10,619.40

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Solution

The fourth proportional to 19,116.74, 26,380.19 and 10,619.40 is: 14,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.74 : 26,380.19 = 10,619.40 : x
  2. Step 2: Convert to fraction form
    19,116.74/26,380.19 = 10,619.40/x
  3. Step 3: Cross multiply
    19,116.74x = 26,380.19 × 10,619.40
  4. Step 4: Simplify right side
    19,116.74x = 280,141,736.59
  5. Step 5: Solve for x
    x = 280,141,736.59/19,116.74
  6. Step 6: Final answer
    x = 14,654.27

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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.