Home / 14,192.92-21,300.72-8,354.44

Finding the Fourth Proportional to 14,192.92, 21,300.72 and 8,354.44

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Solution

The fourth proportional to 14,192.92, 21,300.72 and 8,354.44 is: 12,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.92 : 21,300.72 = 8,354.44 : x
  2. Step 2: Convert to fraction form
    14,192.92/21,300.72 = 8,354.44/x
  3. Step 3: Cross multiply
    14,192.92x = 21,300.72 × 8,354.44
  4. Step 4: Simplify right side
    14,192.92x = 177,955,587.20
  5. Step 5: Solve for x
    x = 177,955,587.20/14,192.92
  6. Step 6: Final answer
    x = 12,538.34

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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.