Home / 15,845.52-21,866.76-9,132.33

Finding the Fourth Proportional to 15,845.52, 21,866.76 and 9,132.33

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Solution

The fourth proportional to 15,845.52, 21,866.76 and 9,132.33 is: 12,602.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.52 : 21,866.76 = 9,132.33 : x
  2. Step 2: Convert to fraction form
    15,845.52/21,866.76 = 9,132.33/x
  3. Step 3: Cross multiply
    15,845.52x = 21,866.76 × 9,132.33
  4. Step 4: Simplify right side
    15,845.52x = 199,694,468.35
  5. Step 5: Solve for x
    x = 199,694,468.35/15,845.52
  6. Step 6: Final answer
    x = 12,602.58

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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.