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Finding the Fourth Proportional to 14,423.50, 19,903.68 and 8,048.94

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Solution

The fourth proportional to 14,423.50, 19,903.68 and 8,048.94 is: 11,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.50 : 19,903.68 = 8,048.94 : x
  2. Step 2: Convert to fraction form
    14,423.50/19,903.68 = 8,048.94/x
  3. Step 3: Cross multiply
    14,423.50x = 19,903.68 × 8,048.94
  4. Step 4: Simplify right side
    14,423.50x = 160,203,526.10
  5. Step 5: Solve for x
    x = 160,203,526.10/14,423.50
  6. Step 6: Final answer
    x = 11,107.12

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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.