Home / 16,828.96-23,220.24-11,236

Finding the Fourth Proportional to 16,828.96, 23,220.24 and 11,236

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Solution

The fourth proportional to 16,828.96, 23,220.24 and 11,236 is: 15,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.96 : 23,220.24 = 11,236 : x
  2. Step 2: Convert to fraction form
    16,828.96/23,220.24 = 11,236/x
  3. Step 3: Cross multiply
    16,828.96x = 23,220.24 × 11,236
  4. Step 4: Simplify right side
    16,828.96x = 260,902,616.64
  5. Step 5: Solve for x
    x = 260,902,616.64/16,828.96
  6. Step 6: Final answer
    x = 15,503.19

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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.