Home / 14,090.83-21,136.88-7,846.13

Finding the Fourth Proportional to 14,090.83, 21,136.88 and 7,846.13

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Solution

The fourth proportional to 14,090.83, 21,136.88 and 7,846.13 is: 11,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.83 : 21,136.88 = 7,846.13 : x
  2. Step 2: Convert to fraction form
    14,090.83/21,136.88 = 7,846.13/x
  3. Step 3: Cross multiply
    14,090.83x = 21,136.88 × 7,846.13
  4. Step 4: Simplify right side
    14,090.83x = 165,842,780.73
  5. Step 5: Solve for x
    x = 165,842,780.73/14,090.83
  6. Step 6: Final answer
    x = 11,769.56

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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.