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Finding the Fourth Proportional to 14,020.63, 19,349.63 and 8,053.45

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Solution

The fourth proportional to 14,020.63, 19,349.63 and 8,053.45 is: 11,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.63 : 19,349.63 = 8,053.45 : x
  2. Step 2: Convert to fraction form
    14,020.63/19,349.63 = 8,053.45/x
  3. Step 3: Cross multiply
    14,020.63x = 19,349.63 × 8,053.45
  4. Step 4: Simplify right side
    14,020.63x = 155,831,277.72
  5. Step 5: Solve for x
    x = 155,831,277.72/14,020.63
  6. Step 6: Final answer
    x = 11,114.43

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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.