Home / 13,835.98-20,760.06-7,260.58

Finding the Fourth Proportional to 13,835.98, 20,760.06 and 7,260.58

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Solution

The fourth proportional to 13,835.98, 20,760.06 and 7,260.58 is: 10,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.98 : 20,760.06 = 7,260.58 : x
  2. Step 2: Convert to fraction form
    13,835.98/20,760.06 = 7,260.58/x
  3. Step 3: Cross multiply
    13,835.98x = 20,760.06 × 7,260.58
  4. Step 4: Simplify right side
    13,835.98x = 150,730,076.43
  5. Step 5: Solve for x
    x = 150,730,076.43/13,835.98
  6. Step 6: Final answer
    x = 10,894.07

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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.