Home / 13,585.20-18,694.44-12,017.04

Finding the Fourth Proportional to 13,585.20, 18,694.44 and 12,017.04

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Solution

The fourth proportional to 13,585.20, 18,694.44 and 12,017.04 is: 16,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.20 : 18,694.44 = 12,017.04 : x
  2. Step 2: Convert to fraction form
    13,585.20/18,694.44 = 12,017.04/x
  3. Step 3: Cross multiply
    13,585.20x = 18,694.44 × 12,017.04
  4. Step 4: Simplify right side
    13,585.20x = 224,651,833.26
  5. Step 5: Solve for x
    x = 224,651,833.26/13,585.20
  6. Step 6: Final answer
    x = 16,536.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.