Home / 13,943.14-19,240.34-7,973.85

Finding the Fourth Proportional to 13,943.14, 19,240.34 and 7,973.85

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Solution

The fourth proportional to 13,943.14, 19,240.34 and 7,973.85 is: 11,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.14 : 19,240.34 = 7,973.85 : x
  2. Step 2: Convert to fraction form
    13,943.14/19,240.34 = 7,973.85/x
  3. Step 3: Cross multiply
    13,943.14x = 19,240.34 × 7,973.85
  4. Step 4: Simplify right side
    13,943.14x = 153,419,585.11
  5. Step 5: Solve for x
    x = 153,419,585.11/13,943.14
  6. Step 6: Final answer
    x = 11,003.23

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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.