Home / 16,731.48-23,089.32-9,177.60

Finding the Fourth Proportional to 16,731.48, 23,089.32 and 9,177.60

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Solution

The fourth proportional to 16,731.48, 23,089.32 and 9,177.60 is: 12,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.48 : 23,089.32 = 9,177.60 : x
  2. Step 2: Convert to fraction form
    16,731.48/23,089.32 = 9,177.60/x
  3. Step 3: Cross multiply
    16,731.48x = 23,089.32 × 9,177.60
  4. Step 4: Simplify right side
    16,731.48x = 211,904,543.23
  5. Step 5: Solve for x
    x = 211,904,543.23/16,731.48
  6. Step 6: Final answer
    x = 12,665.02

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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.