Home / 13,932.13-19,226.34-7,963.93

Finding the Fourth Proportional to 13,932.13, 19,226.34 and 7,963.93

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Solution

The fourth proportional to 13,932.13, 19,226.34 and 7,963.93 is: 10,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.13 : 19,226.34 = 7,963.93 : x
  2. Step 2: Convert to fraction form
    13,932.13/19,226.34 = 7,963.93/x
  3. Step 3: Cross multiply
    13,932.13x = 19,226.34 × 7,963.93
  4. Step 4: Simplify right side
    13,932.13x = 153,117,177.85
  5. Step 5: Solve for x
    x = 153,117,177.85/13,932.13
  6. Step 6: Final answer
    x = 10,990.22

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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.