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Finding the Fourth Proportional to 14,886.14, 20,544.08 and 8,173.08

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Solution

The fourth proportional to 14,886.14, 20,544.08 and 8,173.08 is: 11,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.14 : 20,544.08 = 8,173.08 : x
  2. Step 2: Convert to fraction form
    14,886.14/20,544.08 = 8,173.08/x
  3. Step 3: Cross multiply
    14,886.14x = 20,544.08 × 8,173.08
  4. Step 4: Simplify right side
    14,886.14x = 167,908,368.50
  5. Step 5: Solve for x
    x = 167,908,368.50/14,886.14
  6. Step 6: Final answer
    x = 11,279.51

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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.