Home / 13,799.44-19,045.70-8,133.84

Finding the Fourth Proportional to 13,799.44, 19,045.70 and 8,133.84

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Solution

The fourth proportional to 13,799.44, 19,045.70 and 8,133.84 is: 11,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.44 : 19,045.70 = 8,133.84 : x
  2. Step 2: Convert to fraction form
    13,799.44/19,045.70 = 8,133.84/x
  3. Step 3: Cross multiply
    13,799.44x = 19,045.70 × 8,133.84
  4. Step 4: Simplify right side
    13,799.44x = 154,914,696.82
  5. Step 5: Solve for x
    x = 154,914,696.82/13,799.44
  6. Step 6: Final answer
    x = 11,226.16

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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.