Home / 18,561.23-25,614.18-10,494.75

Finding the Fourth Proportional to 18,561.23, 25,614.18 and 10,494.75

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Solution

The fourth proportional to 18,561.23, 25,614.18 and 10,494.75 is: 14,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.23 : 25,614.18 = 10,494.75 : x
  2. Step 2: Convert to fraction form
    18,561.23/25,614.18 = 10,494.75/x
  3. Step 3: Cross multiply
    18,561.23x = 25,614.18 × 10,494.75
  4. Step 4: Simplify right side
    18,561.23x = 268,814,415.56
  5. Step 5: Solve for x
    x = 268,814,415.56/18,561.23
  6. Step 6: Final answer
    x = 14,482.58

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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.