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Finding the Fourth Proportional to 14,359.32, 19,819.76 and 9,323.26

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Solution

The fourth proportional to 14,359.32, 19,819.76 and 9,323.26 is: 12,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.32 : 19,819.76 = 9,323.26 : x
  2. Step 2: Convert to fraction form
    14,359.32/19,819.76 = 9,323.26/x
  3. Step 3: Cross multiply
    14,359.32x = 19,819.76 × 9,323.26
  4. Step 4: Simplify right side
    14,359.32x = 184,784,775.62
  5. Step 5: Solve for x
    x = 184,784,775.62/14,359.32
  6. Step 6: Final answer
    x = 12,868.63

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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.