Home / 12,736.71-19,084.84-8,561.36

Finding the Fourth Proportional to 12,736.71, 19,084.84 and 8,561.36

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Solution

The fourth proportional to 12,736.71, 19,084.84 and 8,561.36 is: 12,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.71 : 19,084.84 = 8,561.36 : x
  2. Step 2: Convert to fraction form
    12,736.71/19,084.84 = 8,561.36/x
  3. Step 3: Cross multiply
    12,736.71x = 19,084.84 × 8,561.36
  4. Step 4: Simplify right side
    12,736.71x = 163,392,212.09
  5. Step 5: Solve for x
    x = 163,392,212.09/12,736.71
  6. Step 6: Final answer
    x = 12,828.45

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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.