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Finding the Fourth Proportional to 14,300.70, 19,734.63 and 8,012.94

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Solution

The fourth proportional to 14,300.70, 19,734.63 and 8,012.94 is: 11,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.70 : 19,734.63 = 8,012.94 : x
  2. Step 2: Convert to fraction form
    14,300.70/19,734.63 = 8,012.94/x
  3. Step 3: Cross multiply
    14,300.70x = 19,734.63 × 8,012.94
  4. Step 4: Simplify right side
    14,300.70x = 158,132,406.11
  5. Step 5: Solve for x
    x = 158,132,406.11/14,300.70
  6. Step 6: Final answer
    x = 11,057.67

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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.