Home / 15,921.52-23,850.76-10,911.59

Finding the Fourth Proportional to 15,921.52, 23,850.76 and 10,911.59

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Solution

The fourth proportional to 15,921.52, 23,850.76 and 10,911.59 is: 16,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.52 : 23,850.76 = 10,911.59 : x
  2. Step 2: Convert to fraction form
    15,921.52/23,850.76 = 10,911.59/x
  3. Step 3: Cross multiply
    15,921.52x = 23,850.76 × 10,911.59
  4. Step 4: Simplify right side
    15,921.52x = 260,249,714.31
  5. Step 5: Solve for x
    x = 260,249,714.31/15,921.52
  6. Step 6: Final answer
    x = 16,345.78

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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.