Home / 18,123.16-27,181.54-4,796.28

Finding the Fourth Proportional to 18,123.16, 27,181.54 and 4,796.28

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Solution

The fourth proportional to 18,123.16, 27,181.54 and 4,796.28 is: 7,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.16 : 27,181.54 = 4,796.28 : x
  2. Step 2: Convert to fraction form
    18,123.16/27,181.54 = 4,796.28/x
  3. Step 3: Cross multiply
    18,123.16x = 27,181.54 × 4,796.28
  4. Step 4: Simplify right side
    18,123.16x = 130,370,276.67
  5. Step 5: Solve for x
    x = 130,370,276.67/18,123.16
  6. Step 6: Final answer
    x = 7,193.57

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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.