Home / 14,359.34-19,817.68-8,694.30

Finding the Fourth Proportional to 14,359.34, 19,817.68 and 8,694.30

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Solution

The fourth proportional to 14,359.34, 19,817.68 and 8,694.30 is: 11,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.34 : 19,817.68 = 8,694.30 : x
  2. Step 2: Convert to fraction form
    14,359.34/19,817.68 = 8,694.30/x
  3. Step 3: Cross multiply
    14,359.34x = 19,817.68 × 8,694.30
  4. Step 4: Simplify right side
    14,359.34x = 172,300,855.22
  5. Step 5: Solve for x
    x = 172,300,855.22/14,359.34
  6. Step 6: Final answer
    x = 11,999.22

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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.