Home / 14,683.40-20,272.85-8,716.98

Finding the Fourth Proportional to 14,683.40, 20,272.85 and 8,716.98

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Solution

The fourth proportional to 14,683.40, 20,272.85 and 8,716.98 is: 12,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,683.40 : 20,272.85 = 8,716.98 : x
  2. Step 2: Convert to fraction form
    14,683.40/20,272.85 = 8,716.98/x
  3. Step 3: Cross multiply
    14,683.40x = 20,272.85 × 8,716.98
  4. Step 4: Simplify right side
    14,683.40x = 176,718,027.99
  5. Step 5: Solve for x
    x = 176,718,027.99/14,683.40
  6. Step 6: Final answer
    x = 12,035.23

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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.