Home / 16,684.54-23,031.75-10,400.02

Finding the Fourth Proportional to 16,684.54, 23,031.75 and 10,400.02

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Solution

The fourth proportional to 16,684.54, 23,031.75 and 10,400.02 is: 14,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,684.54 : 23,031.75 = 10,400.02 : x
  2. Step 2: Convert to fraction form
    16,684.54/23,031.75 = 10,400.02/x
  3. Step 3: Cross multiply
    16,684.54x = 23,031.75 × 10,400.02
  4. Step 4: Simplify right side
    16,684.54x = 239,530,660.64
  5. Step 5: Solve for x
    x = 239,530,660.64/16,684.54
  6. Step 6: Final answer
    x = 14,356.44

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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.