Home / 16,581.67-22,887.53-13,247.71

Finding the Fourth Proportional to 16,581.67, 22,887.53 and 13,247.71

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Solution

The fourth proportional to 16,581.67, 22,887.53 and 13,247.71 is: 18,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.67 : 22,887.53 = 13,247.71 : x
  2. Step 2: Convert to fraction form
    16,581.67/22,887.53 = 13,247.71/x
  3. Step 3: Cross multiply
    16,581.67x = 22,887.53 × 13,247.71
  4. Step 4: Simplify right side
    16,581.67x = 303,207,286.28
  5. Step 5: Solve for x
    x = 303,207,286.28/16,581.67
  6. Step 6: Final answer
    x = 18,285.69

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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.