Home / 13,836.02-19,092.93-7,869.14

Finding the Fourth Proportional to 13,836.02, 19,092.93 and 7,869.14

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Solution

The fourth proportional to 13,836.02, 19,092.93 and 7,869.14 is: 10,858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.02 : 19,092.93 = 7,869.14 : x
  2. Step 2: Convert to fraction form
    13,836.02/19,092.93 = 7,869.14/x
  3. Step 3: Cross multiply
    13,836.02x = 19,092.93 × 7,869.14
  4. Step 4: Simplify right side
    13,836.02x = 150,244,939.18
  5. Step 5: Solve for x
    x = 150,244,939.18/13,836.02
  6. Step 6: Final answer
    x = 10,858.97

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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.