Home / 28,353.11-39,114.21-17,002.93

Finding the Fourth Proportional to 28,353.11, 39,114.21 and 17,002.93

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Solution

The fourth proportional to 28,353.11, 39,114.21 and 17,002.93 is: 23,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353.11 : 39,114.21 = 17,002.93 : x
  2. Step 2: Convert to fraction form
    28,353.11/39,114.21 = 17,002.93/x
  3. Step 3: Cross multiply
    28,353.11x = 39,114.21 × 17,002.93
  4. Step 4: Simplify right side
    28,353.11x = 665,056,174.64
  5. Step 5: Solve for x
    x = 665,056,174.64/28,353.11
  6. Step 6: Final answer
    x = 23,456.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.