Home / 14,487.72-21,726.09-6,171.63

Finding the Fourth Proportional to 14,487.72, 21,726.09 and 6,171.63

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Solution

The fourth proportional to 14,487.72, 21,726.09 and 6,171.63 is: 9,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.72 : 21,726.09 = 6,171.63 : x
  2. Step 2: Convert to fraction form
    14,487.72/21,726.09 = 6,171.63/x
  3. Step 3: Cross multiply
    14,487.72x = 21,726.09 × 6,171.63
  4. Step 4: Simplify right side
    14,487.72x = 134,085,388.83
  5. Step 5: Solve for x
    x = 134,085,388.83/14,487.72
  6. Step 6: Final answer
    x = 9,255.11

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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.