Home / 19,167.96-28,722.61-8,068.57

Finding the Fourth Proportional to 19,167.96, 28,722.61 and 8,068.57

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Solution

The fourth proportional to 19,167.96, 28,722.61 and 8,068.57 is: 12,090.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.96 : 28,722.61 = 8,068.57 : x
  2. Step 2: Convert to fraction form
    19,167.96/28,722.61 = 8,068.57/x
  3. Step 3: Cross multiply
    19,167.96x = 28,722.61 × 8,068.57
  4. Step 4: Simplify right side
    19,167.96x = 231,750,389.37
  5. Step 5: Solve for x
    x = 231,750,389.37/19,167.96
  6. Step 6: Final answer
    x = 12,090.51

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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.