Home / 19,343.90-26,520.73-18,993.98

Finding the Fourth Proportional to 19,343.90, 26,520.73 and 18,993.98

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Solution

The fourth proportional to 19,343.90, 26,520.73 and 18,993.98 is: 26,040.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.90 : 26,520.73 = 18,993.98 : x
  2. Step 2: Convert to fraction form
    19,343.90/26,520.73 = 18,993.98/x
  3. Step 3: Cross multiply
    19,343.90x = 26,520.73 × 18,993.98
  4. Step 4: Simplify right side
    19,343.90x = 503,734,082.60
  5. Step 5: Solve for x
    x = 503,734,082.60/19,343.90
  6. Step 6: Final answer
    x = 26,040.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.