Home / 15,448.36-23,152.20-8,431.44

Finding the Fourth Proportional to 15,448.36, 23,152.20 and 8,431.44

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Solution

The fourth proportional to 15,448.36, 23,152.20 and 8,431.44 is: 12,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.36 : 23,152.20 = 8,431.44 : x
  2. Step 2: Convert to fraction form
    15,448.36/23,152.20 = 8,431.44/x
  3. Step 3: Cross multiply
    15,448.36x = 23,152.20 × 8,431.44
  4. Step 4: Simplify right side
    15,448.36x = 195,206,385.17
  5. Step 5: Solve for x
    x = 195,206,385.17/15,448.36
  6. Step 6: Final answer
    x = 12,636.06

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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.