Home / 22,271.76-30,734.13-13,313.97

Finding the Fourth Proportional to 22,271.76, 30,734.13 and 13,313.97

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Solution

The fourth proportional to 22,271.76, 30,734.13 and 13,313.97 is: 18,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.76 : 30,734.13 = 13,313.97 : x
  2. Step 2: Convert to fraction form
    22,271.76/30,734.13 = 13,313.97/x
  3. Step 3: Cross multiply
    22,271.76x = 30,734.13 × 13,313.97
  4. Step 4: Simplify right side
    22,271.76x = 409,193,334.72
  5. Step 5: Solve for x
    x = 409,193,334.72/22,271.76
  6. Step 6: Final answer
    x = 18,372.74

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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.