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Finding the Fourth Proportional to 14,094.45, 21,165.98 and 9,963.45

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Solution

The fourth proportional to 14,094.45, 21,165.98 and 9,963.45 is: 14,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.45 : 21,165.98 = 9,963.45 : x
  2. Step 2: Convert to fraction form
    14,094.45/21,165.98 = 9,963.45/x
  3. Step 3: Cross multiply
    14,094.45x = 21,165.98 × 9,963.45
  4. Step 4: Simplify right side
    14,094.45x = 210,886,133.61
  5. Step 5: Solve for x
    x = 210,886,133.61/14,094.45
  6. Step 6: Final answer
    x = 14,962.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.