Home / 18,546.96-25,574.44-14,288.76

Finding the Fourth Proportional to 18,546.96, 25,574.44 and 14,288.76

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Solution

The fourth proportional to 18,546.96, 25,574.44 and 14,288.76 is: 19,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.96 : 25,574.44 = 14,288.76 : x
  2. Step 2: Convert to fraction form
    18,546.96/25,574.44 = 14,288.76/x
  3. Step 3: Cross multiply
    18,546.96x = 25,574.44 × 14,288.76
  4. Step 4: Simplify right side
    18,546.96x = 365,427,035.29
  5. Step 5: Solve for x
    x = 365,427,035.29/18,546.96
  6. Step 6: Final answer
    x = 19,702.80

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Half 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.