Home / 14,105.44-21,156.96-5,783.08

Finding the Fourth Proportional to 14,105.44, 21,156.96 and 5,783.08

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Solution

The fourth proportional to 14,105.44, 21,156.96 and 5,783.08 is: 8,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.44 : 21,156.96 = 5,783.08 : x
  2. Step 2: Convert to fraction form
    14,105.44/21,156.96 = 5,783.08/x
  3. Step 3: Cross multiply
    14,105.44x = 21,156.96 × 5,783.08
  4. Step 4: Simplify right side
    14,105.44x = 122,352,392.24
  5. Step 5: Solve for x
    x = 122,352,392.24/14,105.44
  6. Step 6: Final answer
    x = 8,674.13

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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.