Home / 13,294.92-18,347.70-7,327.32

Finding the Fourth Proportional to 13,294.92, 18,347.70 and 7,327.32

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Solution

The fourth proportional to 13,294.92, 18,347.70 and 7,327.32 is: 10,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.92 : 18,347.70 = 7,327.32 : x
  2. Step 2: Convert to fraction form
    13,294.92/18,347.70 = 7,327.32/x
  3. Step 3: Cross multiply
    13,294.92x = 18,347.70 × 7,327.32
  4. Step 4: Simplify right side
    13,294.92x = 134,439,469.16
  5. Step 5: Solve for x
    x = 134,439,469.16/13,294.92
  6. Step 6: Final answer
    x = 10,112.09

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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.