Home / 14,636.90-20,198.93-8,349.28

Finding the Fourth Proportional to 14,636.90, 20,198.93 and 8,349.28

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Solution

The fourth proportional to 14,636.90, 20,198.93 and 8,349.28 is: 11,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.90 : 20,198.93 = 8,349.28 : x
  2. Step 2: Convert to fraction form
    14,636.90/20,198.93 = 8,349.28/x
  3. Step 3: Cross multiply
    14,636.90x = 20,198.93 × 8,349.28
  4. Step 4: Simplify right side
    14,636.90x = 168,646,379.53
  5. Step 5: Solve for x
    x = 168,646,379.53/14,636.90
  6. Step 6: Final answer
    x = 11,522.00

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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.