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Finding the Fourth Proportional to 16,637.94, 24,812.60 and 14,188.50

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Solution

The fourth proportional to 16,637.94, 24,812.60 and 14,188.50 is: 21,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,637.94 : 24,812.60 = 14,188.50 : x
  2. Step 2: Convert to fraction form
    16,637.94/24,812.60 = 14,188.50/x
  3. Step 3: Cross multiply
    16,637.94x = 24,812.60 × 14,188.50
  4. Step 4: Simplify right side
    16,637.94x = 352,053,504.16
  5. Step 5: Solve for x
    x = 352,053,504.16/16,637.94
  6. Step 6: Final answer
    x = 21,159.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.