Home / 12,694.25-19,045.27-5,680.17

Finding the Fourth Proportional to 12,694.25, 19,045.27 and 5,680.17

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Solution

The fourth proportional to 12,694.25, 19,045.27 and 5,680.17 is: 8,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.25 : 19,045.27 = 5,680.17 : x
  2. Step 2: Convert to fraction form
    12,694.25/19,045.27 = 5,680.17/x
  3. Step 3: Cross multiply
    12,694.25x = 19,045.27 × 5,680.17
  4. Step 4: Simplify right side
    12,694.25x = 108,180,378.40
  5. Step 5: Solve for x
    x = 108,180,378.40/12,694.25
  6. Step 6: Final answer
    x = 8,522.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.