Home / 12,320.52-18,497.21-10,483.44

Finding the Fourth Proportional to 12,320.52, 18,497.21 and 10,483.44

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Solution

The fourth proportional to 12,320.52, 18,497.21 and 10,483.44 is: 15,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.52 : 18,497.21 = 10,483.44 : x
  2. Step 2: Convert to fraction form
    12,320.52/18,497.21 = 10,483.44/x
  3. Step 3: Cross multiply
    12,320.52x = 18,497.21 × 10,483.44
  4. Step 4: Simplify right side
    12,320.52x = 193,914,391.20
  5. Step 5: Solve for x
    x = 193,914,391.20/12,320.52
  6. Step 6: Final answer
    x = 15,739.14

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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.