Home / 13,894.01-19,173.75-7,520.61

Finding the Fourth Proportional to 13,894.01, 19,173.75 and 7,520.61

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Solution

The fourth proportional to 13,894.01, 19,173.75 and 7,520.61 is: 10,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.01 : 19,173.75 = 7,520.61 : x
  2. Step 2: Convert to fraction form
    13,894.01/19,173.75 = 7,520.61/x
  3. Step 3: Cross multiply
    13,894.01x = 19,173.75 × 7,520.61
  4. Step 4: Simplify right side
    13,894.01x = 144,198,241.36
  5. Step 5: Solve for x
    x = 144,198,241.36/13,894.01
  6. Step 6: Final answer
    x = 10,378.45

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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.