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Finding the Fourth Proportional to 14,605.82, 21,856.86 and 10,700.54

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Solution

The fourth proportional to 14,605.82, 21,856.86 and 10,700.54 is: 16,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.82 : 21,856.86 = 10,700.54 : x
  2. Step 2: Convert to fraction form
    14,605.82/21,856.86 = 10,700.54/x
  3. Step 3: Cross multiply
    14,605.82x = 21,856.86 × 10,700.54
  4. Step 4: Simplify right side
    14,605.82x = 233,880,204.70
  5. Step 5: Solve for x
    x = 233,880,204.70/14,605.82
  6. Step 6: Final answer
    x = 16,012.81

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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.