Home / 14,683.80-20,263.24-8,395.76

Finding the Fourth Proportional to 14,683.80, 20,263.24 and 8,395.76

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Solution

The fourth proportional to 14,683.80, 20,263.24 and 8,395.76 is: 11,585.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,683.80 : 20,263.24 = 8,395.76 : x
  2. Step 2: Convert to fraction form
    14,683.80/20,263.24 = 8,395.76/x
  3. Step 3: Cross multiply
    14,683.80x = 20,263.24 × 8,395.76
  4. Step 4: Simplify right side
    14,683.80x = 170,125,299.86
  5. Step 5: Solve for x
    x = 170,125,299.86/14,683.80
  6. Step 6: Final answer
    x = 11,585.92

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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.