Home / 13,302.20-18,356.30-7,333.86

Finding the Fourth Proportional to 13,302.20, 18,356.30 and 7,333.86

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Solution

The fourth proportional to 13,302.20, 18,356.30 and 7,333.86 is: 10,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.20 : 18,356.30 = 7,333.86 : x
  2. Step 2: Convert to fraction form
    13,302.20/18,356.30 = 7,333.86/x
  3. Step 3: Cross multiply
    13,302.20x = 18,356.30 × 7,333.86
  4. Step 4: Simplify right side
    13,302.20x = 134,622,534.32
  5. Step 5: Solve for x
    x = 134,622,534.32/13,302.20
  6. Step 6: Final answer
    x = 10,120.32

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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.