Home / 19,288.16-28,933.68-8,193.60

Finding the Fourth Proportional to 19,288.16, 28,933.68 and 8,193.60

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Solution

The fourth proportional to 19,288.16, 28,933.68 and 8,193.60 is: 12,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.16 : 28,933.68 = 8,193.60 : x
  2. Step 2: Convert to fraction form
    19,288.16/28,933.68 = 8,193.60/x
  3. Step 3: Cross multiply
    19,288.16x = 28,933.68 × 8,193.60
  4. Step 4: Simplify right side
    19,288.16x = 237,071,000.45
  5. Step 5: Solve for x
    x = 237,071,000.45/19,288.16
  6. Step 6: Final answer
    x = 12,291.01

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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.