Home / 13,299.34-18,352.58-7,331.01

Finding the Fourth Proportional to 13,299.34, 18,352.58 and 7,331.01

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Solution

The fourth proportional to 13,299.34, 18,352.58 and 7,331.01 is: 10,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.34 : 18,352.58 = 7,331.01 : x
  2. Step 2: Convert to fraction form
    13,299.34/18,352.58 = 7,331.01/x
  3. Step 3: Cross multiply
    13,299.34x = 18,352.58 × 7,331.01
  4. Step 4: Simplify right side
    13,299.34x = 134,542,842.03
  5. Step 5: Solve for x
    x = 134,542,842.03/13,299.34
  6. Step 6: Final answer
    x = 10,116.51

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Similar ratio
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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.