Home / 18,677.28-25,773.56-10,718.76

Finding the Fourth Proportional to 18,677.28, 25,773.56 and 10,718.76

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Solution

The fourth proportional to 18,677.28, 25,773.56 and 10,718.76 is: 14,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.28 : 25,773.56 = 10,718.76 : x
  2. Step 2: Convert to fraction form
    18,677.28/25,773.56 = 10,718.76/x
  3. Step 3: Cross multiply
    18,677.28x = 25,773.56 × 10,718.76
  4. Step 4: Simplify right side
    18,677.28x = 276,260,603.99
  5. Step 5: Solve for x
    x = 276,260,603.99/18,677.28
  6. Step 6: Final answer
    x = 14,791.27

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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.