Home / 13,923.12-19,191.51-10,893.11

Finding the Fourth Proportional to 13,923.12, 19,191.51 and 10,893.11

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Solution

The fourth proportional to 13,923.12, 19,191.51 and 10,893.11 is: 15,014.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.12 : 19,191.51 = 10,893.11 : x
  2. Step 2: Convert to fraction form
    13,923.12/19,191.51 = 10,893.11/x
  3. Step 3: Cross multiply
    13,923.12x = 19,191.51 × 10,893.11
  4. Step 4: Simplify right side
    13,923.12x = 209,055,133.54
  5. Step 5: Solve for x
    x = 209,055,133.54/13,923.12
  6. Step 6: Final answer
    x = 15,014.96

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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.