Home / 19,561.86-29,341.97-9,028.38

Finding the Fourth Proportional to 19,561.86, 29,341.97 and 9,028.38

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Solution

The fourth proportional to 19,561.86, 29,341.97 and 9,028.38 is: 13,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.86 : 29,341.97 = 9,028.38 : x
  2. Step 2: Convert to fraction form
    19,561.86/29,341.97 = 9,028.38/x
  3. Step 3: Cross multiply
    19,561.86x = 29,341.97 × 9,028.38
  4. Step 4: Simplify right side
    19,561.86x = 264,910,455.11
  5. Step 5: Solve for x
    x = 264,910,455.11/19,561.86
  6. Step 6: Final answer
    x = 13,542.19

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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.