Home / 19,116.81-28,674.20-5,967.68

Finding the Fourth Proportional to 19,116.81, 28,674.20 and 5,967.68

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Solution

The fourth proportional to 19,116.81, 28,674.20 and 5,967.68 is: 8,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.81 : 28,674.20 = 5,967.68 : x
  2. Step 2: Convert to fraction form
    19,116.81/28,674.20 = 5,967.68/x
  3. Step 3: Cross multiply
    19,116.81x = 28,674.20 × 5,967.68
  4. Step 4: Simplify right side
    19,116.81x = 171,118,321.40
  5. Step 5: Solve for x
    x = 171,118,321.40/19,116.81
  6. Step 6: Final answer
    x = 8,951.20

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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.