Home / 12,954.56-19,428.16-3,592.32

Finding the Fourth Proportional to 12,954.56, 19,428.16 and 3,592.32

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Solution

The fourth proportional to 12,954.56, 19,428.16 and 3,592.32 is: 5,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.56 : 19,428.16 = 3,592.32 : x
  2. Step 2: Convert to fraction form
    12,954.56/19,428.16 = 3,592.32/x
  3. Step 3: Cross multiply
    12,954.56x = 19,428.16 × 3,592.32
  4. Step 4: Simplify right side
    12,954.56x = 69,792,167.73
  5. Step 5: Solve for x
    x = 69,792,167.73/12,954.56
  6. Step 6: Final answer
    x = 5,387.46

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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.