Home / 13,327.33-18,391.76-7,359.04

Finding the Fourth Proportional to 13,327.33, 18,391.76 and 7,359.04

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Solution

The fourth proportional to 13,327.33, 18,391.76 and 7,359.04 is: 10,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.33 : 18,391.76 = 7,359.04 : x
  2. Step 2: Convert to fraction form
    13,327.33/18,391.76 = 7,359.04/x
  3. Step 3: Cross multiply
    13,327.33x = 18,391.76 × 7,359.04
  4. Step 4: Simplify right side
    13,327.33x = 135,345,697.51
  5. Step 5: Solve for x
    x = 135,345,697.51/13,327.33
  6. Step 6: Final answer
    x = 10,155.50

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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.