Home / 15,352.43-21,183.05-9,301.73

Finding the Fourth Proportional to 15,352.43, 21,183.05 and 9,301.73

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Solution

The fourth proportional to 15,352.43, 21,183.05 and 9,301.73 is: 12,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.43 : 21,183.05 = 9,301.73 : x
  2. Step 2: Convert to fraction form
    15,352.43/21,183.05 = 9,301.73/x
  3. Step 3: Cross multiply
    15,352.43x = 21,183.05 × 9,301.73
  4. Step 4: Simplify right side
    15,352.43x = 197,038,929.02
  5. Step 5: Solve for x
    x = 197,038,929.02/15,352.43
  6. Step 6: Final answer
    x = 12,834.38

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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.