Home / 14,170.19-19,551.31-9,128.33

Finding the Fourth Proportional to 14,170.19, 19,551.31 and 9,128.33

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Solution

The fourth proportional to 14,170.19, 19,551.31 and 9,128.33 is: 12,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.19 : 19,551.31 = 9,128.33 : x
  2. Step 2: Convert to fraction form
    14,170.19/19,551.31 = 9,128.33/x
  3. Step 3: Cross multiply
    14,170.19x = 19,551.31 × 9,128.33
  4. Step 4: Simplify right side
    14,170.19x = 178,470,762.35
  5. Step 5: Solve for x
    x = 178,470,762.35/14,170.19
  6. Step 6: Final answer
    x = 12,594.81

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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.