Home / 14,683.66-20,263.76-8,310.25

Finding the Fourth Proportional to 14,683.66, 20,263.76 and 8,310.25

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Solution

The fourth proportional to 14,683.66, 20,263.76 and 8,310.25 is: 11,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,683.66 : 20,263.76 = 8,310.25 : x
  2. Step 2: Convert to fraction form
    14,683.66/20,263.76 = 8,310.25/x
  3. Step 3: Cross multiply
    14,683.66x = 20,263.76 × 8,310.25
  4. Step 4: Simplify right side
    14,683.66x = 168,396,929.04
  5. Step 5: Solve for x
    x = 168,396,929.04/14,683.66
  6. Step 6: Final answer
    x = 11,468.32

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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.