Home / 18,126.42-27,157.47-7,573.23

Finding the Fourth Proportional to 18,126.42, 27,157.47 and 7,573.23

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Solution

The fourth proportional to 18,126.42, 27,157.47 and 7,573.23 is: 11,346.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.42 : 27,157.47 = 7,573.23 : x
  2. Step 2: Convert to fraction form
    18,126.42/27,157.47 = 7,573.23/x
  3. Step 3: Cross multiply
    18,126.42x = 27,157.47 × 7,573.23
  4. Step 4: Simplify right side
    18,126.42x = 205,669,834.42
  5. Step 5: Solve for x
    x = 205,669,834.42/18,126.42
  6. Step 6: Final answer
    x = 11,346.41

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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.