Home / 18,612.17-25,682.64-10,653.92

Finding the Fourth Proportional to 18,612.17, 25,682.64 and 10,653.92

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Solution

The fourth proportional to 18,612.17, 25,682.64 and 10,653.92 is: 14,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.17 : 25,682.64 = 10,653.92 : x
  2. Step 2: Convert to fraction form
    18,612.17/25,682.64 = 10,653.92/x
  3. Step 3: Cross multiply
    18,612.17x = 25,682.64 × 10,653.92
  4. Step 4: Simplify right side
    18,612.17x = 273,620,791.95
  5. Step 5: Solve for x
    x = 273,620,791.95/18,612.17
  6. Step 6: Final answer
    x = 14,701.18

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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.