Home / 26,563.07-39,869.19-13,424.67

Finding the Fourth Proportional to 26,563.07, 39,869.19 and 13,424.67

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Solution

The fourth proportional to 26,563.07, 39,869.19 and 13,424.67 is: 20,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,563.07 : 39,869.19 = 13,424.67 : x
  2. Step 2: Convert to fraction form
    26,563.07/39,869.19 = 13,424.67/x
  3. Step 3: Cross multiply
    26,563.07x = 39,869.19 × 13,424.67
  4. Step 4: Simplify right side
    26,563.07x = 535,230,718.92
  5. Step 5: Solve for x
    x = 535,230,718.92/26,563.07
  6. Step 6: Final answer
    x = 20,149.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.