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Finding the Fourth Proportional to 14,384.59, 19,850.50 and 8,011.01

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Solution

The fourth proportional to 14,384.59, 19,850.50 and 8,011.01 is: 11,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,384.59 : 19,850.50 = 8,011.01 : x
  2. Step 2: Convert to fraction form
    14,384.59/19,850.50 = 8,011.01/x
  3. Step 3: Cross multiply
    14,384.59x = 19,850.50 × 8,011.01
  4. Step 4: Simplify right side
    14,384.59x = 159,022,554.01
  5. Step 5: Solve for x
    x = 159,022,554.01/14,384.59
  6. Step 6: Final answer
    x = 11,055.06

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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.