Home / 15,091.23-20,838.33-9,795.09

Finding the Fourth Proportional to 15,091.23, 20,838.33 and 9,795.09

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Solution

The fourth proportional to 15,091.23, 20,838.33 and 9,795.09 is: 13,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.23 : 20,838.33 = 9,795.09 : x
  2. Step 2: Convert to fraction form
    15,091.23/20,838.33 = 9,795.09/x
  3. Step 3: Cross multiply
    15,091.23x = 20,838.33 × 9,795.09
  4. Step 4: Simplify right side
    15,091.23x = 204,113,317.80
  5. Step 5: Solve for x
    x = 204,113,317.80/15,091.23
  6. Step 6: Final answer
    x = 13,525.29

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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.