Home / 13,334.57-18,400.87-7,365.95

Finding the Fourth Proportional to 13,334.57, 18,400.87 and 7,365.95

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Solution

The fourth proportional to 13,334.57, 18,400.87 and 7,365.95 is: 10,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.57 : 18,400.87 = 7,365.95 : x
  2. Step 2: Convert to fraction form
    13,334.57/18,400.87 = 7,365.95/x
  3. Step 3: Cross multiply
    13,334.57x = 18,400.87 × 7,365.95
  4. Step 4: Simplify right side
    13,334.57x = 135,539,888.38
  5. Step 5: Solve for x
    x = 135,539,888.38/13,334.57
  6. Step 6: Final answer
    x = 10,164.55

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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.