Home / 18,535.42-27,742.38-16,808.50

Finding the Fourth Proportional to 18,535.42, 27,742.38 and 16,808.50

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Solution

The fourth proportional to 18,535.42, 27,742.38 and 16,808.50 is: 25,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.42 : 27,742.38 = 16,808.50 : x
  2. Step 2: Convert to fraction form
    18,535.42/27,742.38 = 16,808.50/x
  3. Step 3: Cross multiply
    18,535.42x = 27,742.38 × 16,808.50
  4. Step 4: Simplify right side
    18,535.42x = 466,307,794.23
  5. Step 5: Solve for x
    x = 466,307,794.23/18,535.42
  6. Step 6: Final answer
    x = 25,157.66

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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.