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Finding the Fourth Proportional to 14,556, 21,829.68 and 9,873.12

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Solution

The fourth proportional to 14,556, 21,829.68 and 9,873.12 is: 14,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556 : 21,829.68 = 9,873.12 : x
  2. Step 2: Convert to fraction form
    14,556/21,829.68 = 9,873.12/x
  3. Step 3: Cross multiply
    14,556x = 21,829.68 × 9,873.12
  4. Step 4: Simplify right side
    14,556x = 215,527,050.20
  5. Step 5: Solve for x
    x = 215,527,050.20/14,556
  6. Step 6: Final answer
    x = 14,806.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.