Home / 13,334.06-18,400.88-7,591.56

Finding the Fourth Proportional to 13,334.06, 18,400.88 and 7,591.56

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Solution

The fourth proportional to 13,334.06, 18,400.88 and 7,591.56 is: 10,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.06 : 18,400.88 = 7,591.56 : x
  2. Step 2: Convert to fraction form
    13,334.06/18,400.88 = 7,591.56/x
  3. Step 3: Cross multiply
    13,334.06x = 18,400.88 × 7,591.56
  4. Step 4: Simplify right side
    13,334.06x = 139,691,384.57
  5. Step 5: Solve for x
    x = 139,691,384.57/13,334.06
  6. Step 6: Final answer
    x = 10,476.28

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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.