Home / 16,828.86-23,219.55-11,240.94

Finding the Fourth Proportional to 16,828.86, 23,219.55 and 11,240.94

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Solution

The fourth proportional to 16,828.86, 23,219.55 and 11,240.94 is: 15,509.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.86 : 23,219.55 = 11,240.94 : x
  2. Step 2: Convert to fraction form
    16,828.86/23,219.55 = 11,240.94/x
  3. Step 3: Cross multiply
    16,828.86x = 23,219.55 × 11,240.94
  4. Step 4: Simplify right side
    16,828.86x = 261,009,568.38
  5. Step 5: Solve for x
    x = 261,009,568.38/16,828.86
  6. Step 6: Final answer
    x = 15,509.64

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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.