Home / 19,116.81-28,673.80-8,023.05

Finding the Fourth Proportional to 19,116.81, 28,673.80 and 8,023.05

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Solution

The fourth proportional to 19,116.81, 28,673.80 and 8,023.05 is: 12,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.81 : 28,673.80 = 8,023.05 : x
  2. Step 2: Convert to fraction form
    19,116.81/28,673.80 = 8,023.05/x
  3. Step 3: Cross multiply
    19,116.81x = 28,673.80 × 8,023.05
  4. Step 4: Simplify right side
    19,116.81x = 230,051,311.03
  5. Step 5: Solve for x
    x = 230,051,311.03/19,116.81
  6. Step 6: Final answer
    x = 12,033.98

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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.