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Finding the Fourth Proportional to 14,396.16, 19,868.80 and 8,806.08

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Solution

The fourth proportional to 14,396.16, 19,868.80 and 8,806.08 is: 12,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.16 : 19,868.80 = 8,806.08 : x
  2. Step 2: Convert to fraction form
    14,396.16/19,868.80 = 8,806.08/x
  3. Step 3: Cross multiply
    14,396.16x = 19,868.80 × 8,806.08
  4. Step 4: Simplify right side
    14,396.16x = 174,966,242.30
  5. Step 5: Solve for x
    x = 174,966,242.30/14,396.16
  6. Step 6: Final answer
    x = 12,153.67

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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.