Home / 19,261.72-26,578.36-11,302.12

Finding the Fourth Proportional to 19,261.72, 26,578.36 and 11,302.12

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Solution

The fourth proportional to 19,261.72, 26,578.36 and 11,302.12 is: 15,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.72 : 26,578.36 = 11,302.12 : x
  2. Step 2: Convert to fraction form
    19,261.72/26,578.36 = 11,302.12/x
  3. Step 3: Cross multiply
    19,261.72x = 26,578.36 × 11,302.12
  4. Step 4: Simplify right side
    19,261.72x = 300,391,814.12
  5. Step 5: Solve for x
    x = 300,391,814.12/19,261.72
  6. Step 6: Final answer
    x = 15,595.27

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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.