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Finding the Fourth Proportional to 14,395.32, 21,592.98 and 8,235

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Solution

The fourth proportional to 14,395.32, 21,592.98 and 8,235 is: 12,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.32 : 21,592.98 = 8,235 : x
  2. Step 2: Convert to fraction form
    14,395.32/21,592.98 = 8,235/x
  3. Step 3: Cross multiply
    14,395.32x = 21,592.98 × 8,235
  4. Step 4: Simplify right side
    14,395.32x = 177,818,190.30
  5. Step 5: Solve for x
    x = 177,818,190.30/14,395.32
  6. Step 6: Final answer
    x = 12,352.50

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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.