Home / 14,912.54-20,581.30-9,622.74

Finding the Fourth Proportional to 14,912.54, 20,581.30 and 9,622.74

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Solution

The fourth proportional to 14,912.54, 20,581.30 and 9,622.74 is: 13,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.54 : 20,581.30 = 9,622.74 : x
  2. Step 2: Convert to fraction form
    14,912.54/20,581.30 = 9,622.74/x
  3. Step 3: Cross multiply
    14,912.54x = 20,581.30 × 9,622.74
  4. Step 4: Simplify right side
    14,912.54x = 198,048,498.76
  5. Step 5: Solve for x
    x = 198,048,498.76/14,912.54
  6. Step 6: Final answer
    x = 13,280.67

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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.