Home / 18,717.48-25,775.01-16,727.31

Finding the Fourth Proportional to 18,717.48, 25,775.01 and 16,727.31

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Solution

The fourth proportional to 18,717.48, 25,775.01 and 16,727.31 is: 23,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.48 : 25,775.01 = 16,727.31 : x
  2. Step 2: Convert to fraction form
    18,717.48/25,775.01 = 16,727.31/x
  3. Step 3: Cross multiply
    18,717.48x = 25,775.01 × 16,727.31
  4. Step 4: Simplify right side
    18,717.48x = 431,146,582.52
  5. Step 5: Solve for x
    x = 431,146,582.52/18,717.48
  6. Step 6: Final answer
    x = 23,034.44

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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.