Home / 18,684.43-25,895.80-18,334.51

Finding the Fourth Proportional to 18,684.43, 25,895.80 and 18,334.51

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Solution

The fourth proportional to 18,684.43, 25,895.80 and 18,334.51 is: 25,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.43 : 25,895.80 = 18,334.51 : x
  2. Step 2: Convert to fraction form
    18,684.43/25,895.80 = 18,334.51/x
  3. Step 3: Cross multiply
    18,684.43x = 25,895.80 × 18,334.51
  4. Step 4: Simplify right side
    18,684.43x = 474,786,693.48
  5. Step 5: Solve for x
    x = 474,786,693.48/18,684.43
  6. Step 6: Final answer
    x = 25,410.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.