Home / 14,663.96-20,216.66-12,136.76

Finding the Fourth Proportional to 14,663.96, 20,216.66 and 12,136.76

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Solution

The fourth proportional to 14,663.96, 20,216.66 and 12,136.76 is: 16,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.96 : 20,216.66 = 12,136.76 : x
  2. Step 2: Convert to fraction form
    14,663.96/20,216.66 = 12,136.76/x
  3. Step 3: Cross multiply
    14,663.96x = 20,216.66 × 12,136.76
  4. Step 4: Simplify right side
    14,663.96x = 245,364,750.42
  5. Step 5: Solve for x
    x = 245,364,750.42/14,663.96
  6. Step 6: Final answer
    x = 16,732.50

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Half scale
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Double scale
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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.