Home / 19,698.03-27,201.74-12,636.72

Finding the Fourth Proportional to 19,698.03, 27,201.74 and 12,636.72

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Solution

The fourth proportional to 19,698.03, 27,201.74 and 12,636.72 is: 17,450.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.03 : 27,201.74 = 12,636.72 : x
  2. Step 2: Convert to fraction form
    19,698.03/27,201.74 = 12,636.72/x
  3. Step 3: Cross multiply
    19,698.03x = 27,201.74 × 12,636.72
  4. Step 4: Simplify right side
    19,698.03x = 343,740,708.71
  5. Step 5: Solve for x
    x = 343,740,708.71/19,698.03
  6. Step 6: Final answer
    x = 17,450.51

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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.