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Finding the Fourth Proportional to 14,376.71, 19,840.43 and 8,003.59

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Solution

The fourth proportional to 14,376.71, 19,840.43 and 8,003.59 is: 11,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.71 : 19,840.43 = 8,003.59 : x
  2. Step 2: Convert to fraction form
    14,376.71/19,840.43 = 8,003.59/x
  3. Step 3: Cross multiply
    14,376.71x = 19,840.43 × 8,003.59
  4. Step 4: Simplify right side
    14,376.71x = 158,794,637.55
  5. Step 5: Solve for x
    x = 158,794,637.55/14,376.71
  6. Step 6: Final answer
    x = 11,045.27

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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.