Home / 16,149.01-22,146.58-15,475.48

Finding the Fourth Proportional to 16,149.01, 22,146.58 and 15,475.48

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Solution

The fourth proportional to 16,149.01, 22,146.58 and 15,475.48 is: 21,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,149.01 : 22,146.58 = 15,475.48 : x
  2. Step 2: Convert to fraction form
    16,149.01/22,146.58 = 15,475.48/x
  3. Step 3: Cross multiply
    16,149.01x = 22,146.58 × 15,475.48
  4. Step 4: Simplify right side
    16,149.01x = 342,728,955.86
  5. Step 5: Solve for x
    x = 342,728,955.86/16,149.01
  6. Step 6: Final answer
    x = 21,222.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.