Home / 13,261.92-18,301.44-7,293.68

Finding the Fourth Proportional to 13,261.92, 18,301.44 and 7,293.68

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Solution

The fourth proportional to 13,261.92, 18,301.44 and 7,293.68 is: 10,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.92 : 18,301.44 = 7,293.68 : x
  2. Step 2: Convert to fraction form
    13,261.92/18,301.44 = 7,293.68/x
  3. Step 3: Cross multiply
    13,261.92x = 18,301.44 × 7,293.68
  4. Step 4: Simplify right side
    13,261.92x = 133,484,846.90
  5. Step 5: Solve for x
    x = 133,484,846.90/13,261.92
  6. Step 6: Final answer
    x = 10,065.27

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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.