Home / 13,836.01-19,093.61-7,867.68

Finding the Fourth Proportional to 13,836.01, 19,093.61 and 7,867.68

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Solution

The fourth proportional to 13,836.01, 19,093.61 and 7,867.68 is: 10,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.01 : 19,093.61 = 7,867.68 : x
  2. Step 2: Convert to fraction form
    13,836.01/19,093.61 = 7,867.68/x
  3. Step 3: Cross multiply
    13,836.01x = 19,093.61 × 7,867.68
  4. Step 4: Simplify right side
    13,836.01x = 150,222,374.19
  5. Step 5: Solve for x
    x = 150,222,374.19/13,836.01
  6. Step 6: Final answer
    x = 10,857.35

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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.