Home / 13,299.52-18,353.28-7,331.04

Finding the Fourth Proportional to 13,299.52, 18,353.28 and 7,331.04

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Solution

The fourth proportional to 13,299.52, 18,353.28 and 7,331.04 is: 10,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.52 : 18,353.28 = 7,331.04 : x
  2. Step 2: Convert to fraction form
    13,299.52/18,353.28 = 7,331.04/x
  3. Step 3: Cross multiply
    13,299.52x = 18,353.28 × 7,331.04
  4. Step 4: Simplify right side
    13,299.52x = 134,548,629.81
  5. Step 5: Solve for x
    x = 134,548,629.81/13,299.52
  6. Step 6: Final answer
    x = 10,116.80

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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.