Home / 14,222.19-19,608.30-9,738.21

Finding the Fourth Proportional to 14,222.19, 19,608.30 and 9,738.21

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Solution

The fourth proportional to 14,222.19, 19,608.30 and 9,738.21 is: 13,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.19 : 19,608.30 = 9,738.21 : x
  2. Step 2: Convert to fraction form
    14,222.19/19,608.30 = 9,738.21/x
  3. Step 3: Cross multiply
    14,222.19x = 19,608.30 × 9,738.21
  4. Step 4: Simplify right side
    14,222.19x = 190,949,743.14
  5. Step 5: Solve for x
    x = 190,949,743.14/14,222.19
  6. Step 6: Final answer
    x = 13,426.18

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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.