Home / 19,335.96-26,685.18-16,186.68

Finding the Fourth Proportional to 19,335.96, 26,685.18 and 16,186.68

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Solution

The fourth proportional to 19,335.96, 26,685.18 and 16,186.68 is: 22,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.96 : 26,685.18 = 16,186.68 : x
  2. Step 2: Convert to fraction form
    19,335.96/26,685.18 = 16,186.68/x
  3. Step 3: Cross multiply
    19,335.96x = 26,685.18 × 16,186.68
  4. Step 4: Simplify right side
    19,335.96x = 431,944,469.40
  5. Step 5: Solve for x
    x = 431,944,469.40/19,335.96
  6. Step 6: Final answer
    x = 22,338.92

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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.