Home / 19,158.82-26,438.22-10,661.44

Finding the Fourth Proportional to 19,158.82, 26,438.22 and 10,661.44

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Solution

The fourth proportional to 19,158.82, 26,438.22 and 10,661.44 is: 14,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.82 : 26,438.22 = 10,661.44 : x
  2. Step 2: Convert to fraction form
    19,158.82/26,438.22 = 10,661.44/x
  3. Step 3: Cross multiply
    19,158.82x = 26,438.22 × 10,661.44
  4. Step 4: Simplify right side
    19,158.82x = 281,869,496.24
  5. Step 5: Solve for x
    x = 281,869,496.24/19,158.82
  6. Step 6: Final answer
    x = 14,712.26

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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.