Home / 13,823.22-20,718.63-6,806.46

Finding the Fourth Proportional to 13,823.22, 20,718.63 and 6,806.46

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Solution

The fourth proportional to 13,823.22, 20,718.63 and 6,806.46 is: 10,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.22 : 20,718.63 = 6,806.46 : x
  2. Step 2: Convert to fraction form
    13,823.22/20,718.63 = 6,806.46/x
  3. Step 3: Cross multiply
    13,823.22x = 20,718.63 × 6,806.46
  4. Step 4: Simplify right side
    13,823.22x = 141,020,526.35
  5. Step 5: Solve for x
    x = 141,020,526.35/13,823.22
  6. Step 6: Final answer
    x = 10,201.71

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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.