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Finding the Fourth Proportional to 14,927.40, 22,401.90 and 8,346.60

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Solution

The fourth proportional to 14,927.40, 22,401.90 and 8,346.60 is: 12,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927.40 : 22,401.90 = 8,346.60 : x
  2. Step 2: Convert to fraction form
    14,927.40/22,401.90 = 8,346.60/x
  3. Step 3: Cross multiply
    14,927.40x = 22,401.90 × 8,346.60
  4. Step 4: Simplify right side
    14,927.40x = 186,979,698.54
  5. Step 5: Solve for x
    x = 186,979,698.54/14,927.40
  6. Step 6: Final answer
    x = 12,525.94

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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.