Home / 18,935.67-26,121.62-14,451.64

Finding the Fourth Proportional to 18,935.67, 26,121.62 and 14,451.64

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Solution

The fourth proportional to 18,935.67, 26,121.62 and 14,451.64 is: 19,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.67 : 26,121.62 = 14,451.64 : x
  2. Step 2: Convert to fraction form
    18,935.67/26,121.62 = 14,451.64/x
  3. Step 3: Cross multiply
    18,935.67x = 26,121.62 × 14,451.64
  4. Step 4: Simplify right side
    18,935.67x = 377,500,248.46
  5. Step 5: Solve for x
    x = 377,500,248.46/18,935.67
  6. Step 6: Final answer
    x = 19,935.93

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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.