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Finding the Fourth Proportional to 22,152.40, 33,190.20 and 14,357.20

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Solution

The fourth proportional to 22,152.40, 33,190.20 and 14,357.20 is: 21,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.40 : 33,190.20 = 14,357.20 : x
  2. Step 2: Convert to fraction form
    22,152.40/33,190.20 = 14,357.20/x
  3. Step 3: Cross multiply
    22,152.40x = 33,190.20 × 14,357.20
  4. Step 4: Simplify right side
    22,152.40x = 476,518,339.44
  5. Step 5: Solve for x
    x = 476,518,339.44/22,152.40
  6. Step 6: Final answer
    x = 21,510.91

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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.