Home / 14,648.24-20,215.58-8,272.63

Finding the Fourth Proportional to 14,648.24, 20,215.58 and 8,272.63

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Solution

The fourth proportional to 14,648.24, 20,215.58 and 8,272.63 is: 11,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.24 : 20,215.58 = 8,272.63 : x
  2. Step 2: Convert to fraction form
    14,648.24/20,215.58 = 8,272.63/x
  3. Step 3: Cross multiply
    14,648.24x = 20,215.58 × 8,272.63
  4. Step 4: Simplify right side
    14,648.24x = 167,235,997.48
  5. Step 5: Solve for x
    x = 167,235,997.48/14,648.24
  6. Step 6: Final answer
    x = 11,416.80

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Half scale
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Double scale
Find fourth proportional to 14,649.24, 20,216.96 and 8,273.63
Similar ratio
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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.