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Finding the Fourth Proportional to 14,302.16, 19,736.16 and 8,334.80

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Solution

The fourth proportional to 14,302.16, 19,736.16 and 8,334.80 is: 11,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.16 : 19,736.16 = 8,334.80 : x
  2. Step 2: Convert to fraction form
    14,302.16/19,736.16 = 8,334.80/x
  3. Step 3: Cross multiply
    14,302.16x = 19,736.16 × 8,334.80
  4. Step 4: Simplify right side
    14,302.16x = 164,496,847.69
  5. Step 5: Solve for x
    x = 164,496,847.69/14,302.16
  6. Step 6: Final answer
    x = 11,501.54

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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.