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Finding the Fourth Proportional to 15,321.84, 22,980.24 and 9,514.32

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Solution

The fourth proportional to 15,321.84, 22,980.24 and 9,514.32 is: 14,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.84 : 22,980.24 = 9,514.32 : x
  2. Step 2: Convert to fraction form
    15,321.84/22,980.24 = 9,514.32/x
  3. Step 3: Cross multiply
    15,321.84x = 22,980.24 × 9,514.32
  4. Step 4: Simplify right side
    15,321.84x = 218,641,357.04
  5. Step 5: Solve for x
    x = 218,641,357.04/15,321.84
  6. Step 6: Final answer
    x = 14,269.92

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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.