Home / 19,325.44-28,976.01-8,225.20

Finding the Fourth Proportional to 19,325.44, 28,976.01 and 8,225.20

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Solution

The fourth proportional to 19,325.44, 28,976.01 and 8,225.20 is: 12,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.44 : 28,976.01 = 8,225.20 : x
  2. Step 2: Convert to fraction form
    19,325.44/28,976.01 = 8,225.20/x
  3. Step 3: Cross multiply
    19,325.44x = 28,976.01 × 8,225.20
  4. Step 4: Simplify right side
    19,325.44x = 238,333,477.45
  5. Step 5: Solve for x
    x = 238,333,477.45/19,325.44
  6. Step 6: Final answer
    x = 12,332.63

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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.