Home / 13,794.10-19,035.61-7,661.59

Finding the Fourth Proportional to 13,794.10, 19,035.61 and 7,661.59

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Solution

The fourth proportional to 13,794.10, 19,035.61 and 7,661.59 is: 10,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.10 : 19,035.61 = 7,661.59 : x
  2. Step 2: Convert to fraction form
    13,794.10/19,035.61 = 7,661.59/x
  3. Step 3: Cross multiply
    13,794.10x = 19,035.61 × 7,661.59
  4. Step 4: Simplify right side
    13,794.10x = 145,842,972.48
  5. Step 5: Solve for x
    x = 145,842,972.48/13,794.10
  6. Step 6: Final answer
    x = 10,572.85

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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.