Home / 19,193.20-26,463.98-13,146.37

Finding the Fourth Proportional to 19,193.20, 26,463.98 and 13,146.37

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Solution

The fourth proportional to 19,193.20, 26,463.98 and 13,146.37 is: 18,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.20 : 26,463.98 = 13,146.37 : x
  2. Step 2: Convert to fraction form
    19,193.20/26,463.98 = 13,146.37/x
  3. Step 3: Cross multiply
    19,193.20x = 26,463.98 × 13,146.37
  4. Step 4: Simplify right side
    19,193.20x = 347,905,272.75
  5. Step 5: Solve for x
    x = 347,905,272.75/19,193.20
  6. Step 6: Final answer
    x = 18,126.49

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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.