Home / 19,892.76-27,439.47-14,783.73

Finding the Fourth Proportional to 19,892.76, 27,439.47 and 14,783.73

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Solution

The fourth proportional to 19,892.76, 27,439.47 and 14,783.73 is: 20,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.76 : 27,439.47 = 14,783.73 : x
  2. Step 2: Convert to fraction form
    19,892.76/27,439.47 = 14,783.73/x
  3. Step 3: Cross multiply
    19,892.76x = 27,439.47 × 14,783.73
  4. Step 4: Simplify right side
    19,892.76x = 405,657,715.82
  5. Step 5: Solve for x
    x = 405,657,715.82/19,892.76
  6. Step 6: Final answer
    x = 20,392.23

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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.