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Finding the Fourth Proportional to 14,353.92, 19,803.51 and 8,972.67

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Solution

The fourth proportional to 14,353.92, 19,803.51 and 8,972.67 is: 12,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.92 : 19,803.51 = 8,972.67 : x
  2. Step 2: Convert to fraction form
    14,353.92/19,803.51 = 8,972.67/x
  3. Step 3: Cross multiply
    14,353.92x = 19,803.51 × 8,972.67
  4. Step 4: Simplify right side
    14,353.92x = 177,690,360.07
  5. Step 5: Solve for x
    x = 177,690,360.07/14,353.92
  6. Step 6: Final answer
    x = 12,379.22

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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.