Home / 18,490.34-25,462.92-16,066.69

Finding the Fourth Proportional to 18,490.34, 25,462.92 and 16,066.69

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Solution

The fourth proportional to 18,490.34, 25,462.92 and 16,066.69 is: 22,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.34 : 25,462.92 = 16,066.69 : x
  2. Step 2: Convert to fraction form
    18,490.34/25,462.92 = 16,066.69/x
  3. Step 3: Cross multiply
    18,490.34x = 25,462.92 × 16,066.69
  4. Step 4: Simplify right side
    18,490.34x = 409,104,838.73
  5. Step 5: Solve for x
    x = 409,104,838.73/18,490.34
  6. Step 6: Final answer
    x = 22,125.33

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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.