Home / 39,586.85-59,386.44-13,297.76

Finding the Fourth Proportional to 39,586.85, 59,386.44 and 13,297.76

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Solution

The fourth proportional to 39,586.85, 59,386.44 and 13,297.76 is: 19,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.85 : 59,386.44 = 13,297.76 : x
  2. Step 2: Convert to fraction form
    39,586.85/59,386.44 = 13,297.76/x
  3. Step 3: Cross multiply
    39,586.85x = 59,386.44 × 13,297.76
  4. Step 4: Simplify right side
    39,586.85x = 789,706,329.44
  5. Step 5: Solve for x
    x = 789,706,329.44/39,586.85
  6. Step 6: Final answer
    x = 19,948.71

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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.