Home / 18,634.28-25,718.16-14,336.82

Finding the Fourth Proportional to 18,634.28, 25,718.16 and 14,336.82

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Solution

The fourth proportional to 18,634.28, 25,718.16 and 14,336.82 is: 19,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.28 : 25,718.16 = 14,336.82 : x
  2. Step 2: Convert to fraction form
    18,634.28/25,718.16 = 14,336.82/x
  3. Step 3: Cross multiply
    18,634.28x = 25,718.16 × 14,336.82
  4. Step 4: Simplify right side
    18,634.28x = 368,716,630.65
  5. Step 5: Solve for x
    x = 368,716,630.65/18,634.28
  6. Step 6: Final answer
    x = 19,787.01

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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.