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Finding the Fourth Proportional to 14,763.99, 20,375.90 and 9,097.53

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Solution

The fourth proportional to 14,763.99, 20,375.90 and 9,097.53 is: 12,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.99 : 20,375.90 = 9,097.53 : x
  2. Step 2: Convert to fraction form
    14,763.99/20,375.90 = 9,097.53/x
  3. Step 3: Cross multiply
    14,763.99x = 20,375.90 × 9,097.53
  4. Step 4: Simplify right side
    14,763.99x = 185,370,316.04
  5. Step 5: Solve for x
    x = 185,370,316.04/14,763.99
  6. Step 6: Final answer
    x = 12,555.57

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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.