Home / 15,786.70-23,683.29-4,692.40

Finding the Fourth Proportional to 15,786.70, 23,683.29 and 4,692.40

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Solution

The fourth proportional to 15,786.70, 23,683.29 and 4,692.40 is: 7,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.70 : 23,683.29 = 4,692.40 : x
  2. Step 2: Convert to fraction form
    15,786.70/23,683.29 = 4,692.40/x
  3. Step 3: Cross multiply
    15,786.70x = 23,683.29 × 4,692.40
  4. Step 4: Simplify right side
    15,786.70x = 111,131,393.19
  5. Step 5: Solve for x
    x = 111,131,393.19/15,786.70
  6. Step 6: Final answer
    x = 7,039.56

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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.