Home / 16,177.02-22,336.44-15,918.68

Finding the Fourth Proportional to 16,177.02, 22,336.44 and 15,918.68

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Solution

The fourth proportional to 16,177.02, 22,336.44 and 15,918.68 is: 21,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,177.02 : 22,336.44 = 15,918.68 : x
  2. Step 2: Convert to fraction form
    16,177.02/22,336.44 = 15,918.68/x
  3. Step 3: Cross multiply
    16,177.02x = 22,336.44 × 15,918.68
  4. Step 4: Simplify right side
    16,177.02x = 355,566,529.02
  5. Step 5: Solve for x
    x = 355,566,529.02/16,177.02
  6. Step 6: Final answer
    x = 21,979.73

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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.