Home / 12,954.60-19,431.69-4,632.36

Finding the Fourth Proportional to 12,954.60, 19,431.69 and 4,632.36

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Solution

The fourth proportional to 12,954.60, 19,431.69 and 4,632.36 is: 6,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.60 : 19,431.69 = 4,632.36 : x
  2. Step 2: Convert to fraction form
    12,954.60/19,431.69 = 4,632.36/x
  3. Step 3: Cross multiply
    12,954.60x = 19,431.69 × 4,632.36
  4. Step 4: Simplify right side
    12,954.60x = 90,014,583.49
  5. Step 5: Solve for x
    x = 90,014,583.49/12,954.60
  6. Step 6: Final answer
    x = 6,948.46

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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.