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Finding the Fourth Proportional to 14,101.80, 19,461.44 and 8,133.87

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Solution

The fourth proportional to 14,101.80, 19,461.44 and 8,133.87 is: 11,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.80 : 19,461.44 = 8,133.87 : x
  2. Step 2: Convert to fraction form
    14,101.80/19,461.44 = 8,133.87/x
  3. Step 3: Cross multiply
    14,101.80x = 19,461.44 × 8,133.87
  4. Step 4: Simplify right side
    14,101.80x = 158,296,782.30
  5. Step 5: Solve for x
    x = 158,296,782.30/14,101.80
  6. Step 6: Final answer
    x = 11,225.29

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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.