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Finding the Fourth Proportional to 14,353.84, 19,809.93 and 9,048.34

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Solution

The fourth proportional to 14,353.84, 19,809.93 and 9,048.34 is: 12,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.84 : 19,809.93 = 9,048.34 : x
  2. Step 2: Convert to fraction form
    14,353.84/19,809.93 = 9,048.34/x
  3. Step 3: Cross multiply
    14,353.84x = 19,809.93 × 9,048.34
  4. Step 4: Simplify right side
    14,353.84x = 179,246,982.02
  5. Step 5: Solve for x
    x = 179,246,982.02/14,353.84
  6. Step 6: Final answer
    x = 12,487.74

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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.