Home / 23,153.80-34,730.70-8,363.20

Finding the Fourth Proportional to 23,153.80, 34,730.70 and 8,363.20

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Solution

The fourth proportional to 23,153.80, 34,730.70 and 8,363.20 is: 12,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.80 : 34,730.70 = 8,363.20 : x
  2. Step 2: Convert to fraction form
    23,153.80/34,730.70 = 8,363.20/x
  3. Step 3: Cross multiply
    23,153.80x = 34,730.70 × 8,363.20
  4. Step 4: Simplify right side
    23,153.80x = 290,459,790.24
  5. Step 5: Solve for x
    x = 290,459,790.24/23,153.80
  6. Step 6: Final answer
    x = 12,544.80

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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.