Home / 38,014.55-57,018.18-11,712.23

Finding the Fourth Proportional to 38,014.55, 57,018.18 and 11,712.23

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Solution

The fourth proportional to 38,014.55, 57,018.18 and 11,712.23 is: 17,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.55 : 57,018.18 = 11,712.23 : x
  2. Step 2: Convert to fraction form
    38,014.55/57,018.18 = 11,712.23/x
  3. Step 3: Cross multiply
    38,014.55x = 57,018.18 × 11,712.23
  4. Step 4: Simplify right side
    38,014.55x = 667,809,945.11
  5. Step 5: Solve for x
    x = 667,809,945.11/38,014.55
  6. Step 6: Final answer
    x = 17,567.22

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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.