Home / 13,133.45-19,703.82-7,294.16

Finding the Fourth Proportional to 13,133.45, 19,703.82 and 7,294.16

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Solution

The fourth proportional to 13,133.45, 19,703.82 and 7,294.16 is: 10,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.45 : 19,703.82 = 7,294.16 : x
  2. Step 2: Convert to fraction form
    13,133.45/19,703.82 = 7,294.16/x
  3. Step 3: Cross multiply
    13,133.45x = 19,703.82 × 7,294.16
  4. Step 4: Simplify right side
    13,133.45x = 143,722,815.69
  5. Step 5: Solve for x
    x = 143,722,815.69/13,133.45
  6. Step 6: Final answer
    x = 10,943.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.