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Finding the Fourth Proportional to 14,374.70, 19,836.57 and 8,001.08

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Solution

The fourth proportional to 14,374.70, 19,836.57 and 8,001.08 is: 11,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374.70 : 19,836.57 = 8,001.08 : x
  2. Step 2: Convert to fraction form
    14,374.70/19,836.57 = 8,001.08/x
  3. Step 3: Cross multiply
    14,374.70x = 19,836.57 × 8,001.08
  4. Step 4: Simplify right side
    14,374.70x = 158,713,983.50
  5. Step 5: Solve for x
    x = 158,713,983.50/14,374.70
  6. Step 6: Final answer
    x = 11,041.20

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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.