Home / 15,495.39-23,213.79-8,901.59

Finding the Fourth Proportional to 15,495.39, 23,213.79 and 8,901.59

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Solution

The fourth proportional to 15,495.39, 23,213.79 and 8,901.59 is: 13,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,495.39 : 23,213.79 = 8,901.59 : x
  2. Step 2: Convert to fraction form
    15,495.39/23,213.79 = 8,901.59/x
  3. Step 3: Cross multiply
    15,495.39x = 23,213.79 × 8,901.59
  4. Step 4: Simplify right side
    15,495.39x = 206,639,524.86
  5. Step 5: Solve for x
    x = 206,639,524.86/15,495.39
  6. Step 6: Final answer
    x = 13,335.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.