Home / 18,924.24-28,386.42-18,896.94

Finding the Fourth Proportional to 18,924.24, 28,386.42 and 18,896.94

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Solution

The fourth proportional to 18,924.24, 28,386.42 and 18,896.94 is: 28,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.24 : 28,386.42 = 18,896.94 : x
  2. Step 2: Convert to fraction form
    18,924.24/28,386.42 = 18,896.94/x
  3. Step 3: Cross multiply
    18,924.24x = 28,386.42 × 18,896.94
  4. Step 4: Simplify right side
    18,924.24x = 536,416,475.55
  5. Step 5: Solve for x
    x = 536,416,475.55/18,924.24
  6. Step 6: Final answer
    x = 28,345.47

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.