Home / 19,885.95-27,442.23-10,933.37

Finding the Fourth Proportional to 19,885.95, 27,442.23 and 10,933.37

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Solution

The fourth proportional to 19,885.95, 27,442.23 and 10,933.37 is: 15,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.95 : 27,442.23 = 10,933.37 : x
  2. Step 2: Convert to fraction form
    19,885.95/27,442.23 = 10,933.37/x
  3. Step 3: Cross multiply
    19,885.95x = 27,442.23 × 10,933.37
  4. Step 4: Simplify right side
    19,885.95x = 300,035,917.00
  5. Step 5: Solve for x
    x = 300,035,917.00/19,885.95
  6. Step 6: Final answer
    x = 15,087.83

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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.