Home / 19,018.05-26,243.40-10,520.22

Finding the Fourth Proportional to 19,018.05, 26,243.40 and 10,520.22

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Solution

The fourth proportional to 19,018.05, 26,243.40 and 10,520.22 is: 14,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.05 : 26,243.40 = 10,520.22 : x
  2. Step 2: Convert to fraction form
    19,018.05/26,243.40 = 10,520.22/x
  3. Step 3: Cross multiply
    19,018.05x = 26,243.40 × 10,520.22
  4. Step 4: Simplify right side
    19,018.05x = 276,086,341.55
  5. Step 5: Solve for x
    x = 276,086,341.55/19,018.05
  6. Step 6: Final answer
    x = 14,517.07

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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.