Home / 13,586.48-20,374.25-5,683.80

Finding the Fourth Proportional to 13,586.48, 20,374.25 and 5,683.80

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Solution

The fourth proportional to 13,586.48, 20,374.25 and 5,683.80 is: 8,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.48 : 20,374.25 = 5,683.80 : x
  2. Step 2: Convert to fraction form
    13,586.48/20,374.25 = 5,683.80/x
  3. Step 3: Cross multiply
    13,586.48x = 20,374.25 × 5,683.80
  4. Step 4: Simplify right side
    13,586.48x = 115,803,133.73
  5. Step 5: Solve for x
    x = 115,803,133.73/13,586.48
  6. Step 6: Final answer
    x = 8,523.41

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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.