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Finding the Fourth Proportional to 14,006.87, 19,302.87 and 10,021.07

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Solution

The fourth proportional to 14,006.87, 19,302.87 and 10,021.07 is: 13,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.87 : 19,302.87 = 10,021.07 : x
  2. Step 2: Convert to fraction form
    14,006.87/19,302.87 = 10,021.07/x
  3. Step 3: Cross multiply
    14,006.87x = 19,302.87 × 10,021.07
  4. Step 4: Simplify right side
    14,006.87x = 193,435,314.96
  5. Step 5: Solve for x
    x = 193,435,314.96/14,006.87
  6. Step 6: Final answer
    x = 13,810.04

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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.