Home / 19,018.53-26,245.08-10,520.43

Finding the Fourth Proportional to 19,018.53, 26,245.08 and 10,520.43

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Solution

The fourth proportional to 19,018.53, 26,245.08 and 10,520.43 is: 14,517.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.53 : 26,245.08 = 10,520.43 : x
  2. Step 2: Convert to fraction form
    19,018.53/26,245.08 = 10,520.43/x
  3. Step 3: Cross multiply
    19,018.53x = 26,245.08 × 10,520.43
  4. Step 4: Simplify right side
    19,018.53x = 276,109,526.98
  5. Step 5: Solve for x
    x = 276,109,526.98/19,018.53
  6. Step 6: Final answer
    x = 14,517.92

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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.