Home / 19,043.10-28,532.30-13,469.18

Finding the Fourth Proportional to 19,043.10, 28,532.30 and 13,469.18

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Solution

The fourth proportional to 19,043.10, 28,532.30 and 13,469.18 is: 20,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.10 : 28,532.30 = 13,469.18 : x
  2. Step 2: Convert to fraction form
    19,043.10/28,532.30 = 13,469.18/x
  3. Step 3: Cross multiply
    19,043.10x = 28,532.30 × 13,469.18
  4. Step 4: Simplify right side
    19,043.10x = 384,306,684.51
  5. Step 5: Solve for x
    x = 384,306,684.51/19,043.10
  6. Step 6: Final answer
    x = 20,180.89

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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.