Home / 15,568.52-21,480.54-9,276.44

Finding the Fourth Proportional to 15,568.52, 21,480.54 and 9,276.44

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Solution

The fourth proportional to 15,568.52, 21,480.54 and 9,276.44 is: 12,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.52 : 21,480.54 = 9,276.44 : x
  2. Step 2: Convert to fraction form
    15,568.52/21,480.54 = 9,276.44/x
  3. Step 3: Cross multiply
    15,568.52x = 21,480.54 × 9,276.44
  4. Step 4: Simplify right side
    15,568.52x = 199,262,940.48
  5. Step 5: Solve for x
    x = 199,262,940.48/15,568.52
  6. Step 6: Final answer
    x = 12,799.09

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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.