Home / 19,361.42-26,726.94-13,082.30

Finding the Fourth Proportional to 19,361.42, 26,726.94 and 13,082.30

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Solution

The fourth proportional to 19,361.42, 26,726.94 and 13,082.30 is: 18,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.42 : 26,726.94 = 13,082.30 : x
  2. Step 2: Convert to fraction form
    19,361.42/26,726.94 = 13,082.30/x
  3. Step 3: Cross multiply
    19,361.42x = 26,726.94 × 13,082.30
  4. Step 4: Simplify right side
    19,361.42x = 349,649,847.16
  5. Step 5: Solve for x
    x = 349,649,847.16/19,361.42
  6. Step 6: Final answer
    x = 18,059.10

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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.