Home / 19,909.56-27,473.67-11,411.58

Finding the Fourth Proportional to 19,909.56, 27,473.67 and 11,411.58

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Solution

The fourth proportional to 19,909.56, 27,473.67 and 11,411.58 is: 15,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.56 : 27,473.67 = 11,411.58 : x
  2. Step 2: Convert to fraction form
    19,909.56/27,473.67 = 11,411.58/x
  3. Step 3: Cross multiply
    19,909.56x = 27,473.67 × 11,411.58
  4. Step 4: Simplify right side
    19,909.56x = 313,517,983.10
  5. Step 5: Solve for x
    x = 313,517,983.10/19,909.56
  6. Step 6: Final answer
    x = 15,747.11

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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.