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Finding the Fourth Proportional to 14,888.93, 20,546.93 and 8,174.84

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Solution

The fourth proportional to 14,888.93, 20,546.93 and 8,174.84 is: 11,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.93 : 20,546.93 = 8,174.84 : x
  2. Step 2: Convert to fraction form
    14,888.93/20,546.93 = 8,174.84/x
  3. Step 3: Cross multiply
    14,888.93x = 20,546.93 × 8,174.84
  4. Step 4: Simplify right side
    14,888.93x = 167,967,782.94
  5. Step 5: Solve for x
    x = 167,967,782.94/14,888.93
  6. Step 6: Final answer
    x = 11,281.39

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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.