Home / 19,083.58-26,335.61-11,528.86

Finding the Fourth Proportional to 19,083.58, 26,335.61 and 11,528.86

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Solution

The fourth proportional to 19,083.58, 26,335.61 and 11,528.86 is: 15,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.58 : 26,335.61 = 11,528.86 : x
  2. Step 2: Convert to fraction form
    19,083.58/26,335.61 = 11,528.86/x
  3. Step 3: Cross multiply
    19,083.58x = 26,335.61 × 11,528.86
  4. Step 4: Simplify right side
    19,083.58x = 303,619,560.70
  5. Step 5: Solve for x
    x = 303,619,560.70/19,083.58
  6. Step 6: Final answer
    x = 15,909.99

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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.