Home / 18,861.48-26,028.68-10,363.77

Finding the Fourth Proportional to 18,861.48, 26,028.68 and 10,363.77

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Solution

The fourth proportional to 18,861.48, 26,028.68 and 10,363.77 is: 14,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.48 : 26,028.68 = 10,363.77 : x
  2. Step 2: Convert to fraction form
    18,861.48/26,028.68 = 10,363.77/x
  3. Step 3: Cross multiply
    18,861.48x = 26,028.68 × 10,363.77
  4. Step 4: Simplify right side
    18,861.48x = 269,755,201.10
  5. Step 5: Solve for x
    x = 269,755,201.10/18,861.48
  6. Step 6: Final answer
    x = 14,301.91

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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.