Home / 14,665.90-21,996.90-4,136.77

Finding the Fourth Proportional to 14,665.90, 21,996.90 and 4,136.77

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Solution

The fourth proportional to 14,665.90, 21,996.90 and 4,136.77 is: 6,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.90 : 21,996.90 = 4,136.77 : x
  2. Step 2: Convert to fraction form
    14,665.90/21,996.90 = 4,136.77/x
  3. Step 3: Cross multiply
    14,665.90x = 21,996.90 × 4,136.77
  4. Step 4: Simplify right side
    14,665.90x = 90,995,985.34
  5. Step 5: Solve for x
    x = 90,995,985.34/14,665.90
  6. Step 6: Final answer
    x = 6,204.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.