Home / 18,467.42-27,710.16-11,445.56

Finding the Fourth Proportional to 18,467.42, 27,710.16 and 11,445.56

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Solution

The fourth proportional to 18,467.42, 27,710.16 and 11,445.56 is: 17,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.42 : 27,710.16 = 11,445.56 : x
  2. Step 2: Convert to fraction form
    18,467.42/27,710.16 = 11,445.56/x
  3. Step 3: Cross multiply
    18,467.42x = 27,710.16 × 11,445.56
  4. Step 4: Simplify right side
    18,467.42x = 317,158,160.34
  5. Step 5: Solve for x
    x = 317,158,160.34/18,467.42
  6. Step 6: Final answer
    x = 17,173.93

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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.