Home / 19,325.86-26,669.13-11,261.30

Finding the Fourth Proportional to 19,325.86, 26,669.13 and 11,261.30

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Solution

The fourth proportional to 19,325.86, 26,669.13 and 11,261.30 is: 15,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.86 : 26,669.13 = 11,261.30 : x
  2. Step 2: Convert to fraction form
    19,325.86/26,669.13 = 11,261.30/x
  3. Step 3: Cross multiply
    19,325.86x = 26,669.13 × 11,261.30
  4. Step 4: Simplify right side
    19,325.86x = 300,328,913.93
  5. Step 5: Solve for x
    x = 300,328,913.93/19,325.86
  6. Step 6: Final answer
    x = 15,540.26

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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.