Home / 14,803.41-20,428.71-7,997.43

Finding the Fourth Proportional to 14,803.41, 20,428.71 and 7,997.43

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Solution

The fourth proportional to 14,803.41, 20,428.71 and 7,997.43 is: 11,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.41 : 20,428.71 = 7,997.43 : x
  2. Step 2: Convert to fraction form
    14,803.41/20,428.71 = 7,997.43/x
  3. Step 3: Cross multiply
    14,803.41x = 20,428.71 × 7,997.43
  4. Step 4: Simplify right side
    14,803.41x = 163,377,269.82
  5. Step 5: Solve for x
    x = 163,377,269.82/14,803.41
  6. Step 6: Final answer
    x = 11,036.46

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Half scale
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Double scale
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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.