Home / 18,561.53-27,842.27-4,521.54

Finding the Fourth Proportional to 18,561.53, 27,842.27 and 4,521.54

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Solution

The fourth proportional to 18,561.53, 27,842.27 and 4,521.54 is: 6,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.53 : 27,842.27 = 4,521.54 : x
  2. Step 2: Convert to fraction form
    18,561.53/27,842.27 = 4,521.54/x
  3. Step 3: Cross multiply
    18,561.53x = 27,842.27 × 4,521.54
  4. Step 4: Simplify right side
    18,561.53x = 125,889,914.89
  5. Step 5: Solve for x
    x = 125,889,914.89/18,561.53
  6. Step 6: Final answer
    x = 6,782.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.