Home / 16,920.13-25,380.26-4,608.13

Finding the Fourth Proportional to 16,920.13, 25,380.26 and 4,608.13

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Solution

The fourth proportional to 16,920.13, 25,380.26 and 4,608.13 is: 6,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.13 : 25,380.26 = 4,608.13 : x
  2. Step 2: Convert to fraction form
    16,920.13/25,380.26 = 4,608.13/x
  3. Step 3: Cross multiply
    16,920.13x = 25,380.26 × 4,608.13
  4. Step 4: Simplify right side
    16,920.13x = 116,955,537.51
  5. Step 5: Solve for x
    x = 116,955,537.51/16,920.13
  6. Step 6: Final answer
    x = 6,912.21

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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.