Home / 14,683.44-20,263.76-8,395.81

Finding the Fourth Proportional to 14,683.44, 20,263.76 and 8,395.81

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Solution

The fourth proportional to 14,683.44, 20,263.76 and 8,395.81 is: 11,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,683.44 : 20,263.76 = 8,395.81 : x
  2. Step 2: Convert to fraction form
    14,683.44/20,263.76 = 8,395.81/x
  3. Step 3: Cross multiply
    14,683.44x = 20,263.76 × 8,395.81
  4. Step 4: Simplify right side
    14,683.44x = 170,130,678.85
  5. Step 5: Solve for x
    x = 170,130,678.85/14,683.44
  6. Step 6: Final answer
    x = 11,586.57

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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.