Home / 39,174.48-58,765.08-12,524.28

Finding the Fourth Proportional to 39,174.48, 58,765.08 and 12,524.28

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Solution

The fourth proportional to 39,174.48, 58,765.08 and 12,524.28 is: 18,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.48 : 58,765.08 = 12,524.28 : x
  2. Step 2: Convert to fraction form
    39,174.48/58,765.08 = 12,524.28/x
  3. Step 3: Cross multiply
    39,174.48x = 58,765.08 × 12,524.28
  4. Step 4: Simplify right side
    39,174.48x = 735,990,316.14
  5. Step 5: Solve for x
    x = 735,990,316.14/39,174.48
  6. Step 6: Final answer
    x = 18,787.49

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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.