Home / 13,752.33-18,976.64-7,701.73

Finding the Fourth Proportional to 13,752.33, 18,976.64 and 7,701.73

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Solution

The fourth proportional to 13,752.33, 18,976.64 and 7,701.73 is: 10,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.33 : 18,976.64 = 7,701.73 : x
  2. Step 2: Convert to fraction form
    13,752.33/18,976.64 = 7,701.73/x
  3. Step 3: Cross multiply
    13,752.33x = 18,976.64 × 7,701.73
  4. Step 4: Simplify right side
    13,752.33x = 146,152,957.59
  5. Step 5: Solve for x
    x = 146,152,957.59/13,752.33
  6. Step 6: Final answer
    x = 10,627.51

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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.