Home / 13,334.02-18,400.32-7,366.12

Finding the Fourth Proportional to 13,334.02, 18,400.32 and 7,366.12

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Solution

The fourth proportional to 13,334.02, 18,400.32 and 7,366.12 is: 10,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.02 : 18,400.32 = 7,366.12 : x
  2. Step 2: Convert to fraction form
    13,334.02/18,400.32 = 7,366.12/x
  3. Step 3: Cross multiply
    13,334.02x = 18,400.32 × 7,366.12
  4. Step 4: Simplify right side
    13,334.02x = 135,538,965.16
  5. Step 5: Solve for x
    x = 135,538,965.16/13,334.02
  6. Step 6: Final answer
    x = 10,164.90

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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.