Home / 18,561.24-25,617.87-11,848.95

Finding the Fourth Proportional to 18,561.24, 25,617.87 and 11,848.95

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Solution

The fourth proportional to 18,561.24, 25,617.87 and 11,848.95 is: 16,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.24 : 25,617.87 = 11,848.95 : x
  2. Step 2: Convert to fraction form
    18,561.24/25,617.87 = 11,848.95/x
  3. Step 3: Cross multiply
    18,561.24x = 25,617.87 × 11,848.95
  4. Step 4: Simplify right side
    18,561.24x = 303,544,860.74
  5. Step 5: Solve for x
    x = 303,544,860.74/18,561.24
  6. Step 6: Final answer
    x = 16,353.70

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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.