Home / 13,622.59-20,446.31-7,053.49

Finding the Fourth Proportional to 13,622.59, 20,446.31 and 7,053.49

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Solution

The fourth proportional to 13,622.59, 20,446.31 and 7,053.49 is: 10,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.59 : 20,446.31 = 7,053.49 : x
  2. Step 2: Convert to fraction form
    13,622.59/20,446.31 = 7,053.49/x
  3. Step 3: Cross multiply
    13,622.59x = 20,446.31 × 7,053.49
  4. Step 4: Simplify right side
    13,622.59x = 144,217,843.12
  5. Step 5: Solve for x
    x = 144,217,843.12/13,622.59
  6. Step 6: Final answer
    x = 10,586.67

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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.