Home / 13,059.79-19,591.07-4,172.01

Finding the Fourth Proportional to 13,059.79, 19,591.07 and 4,172.01

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Solution

The fourth proportional to 13,059.79, 19,591.07 and 4,172.01 is: 6,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.79 : 19,591.07 = 4,172.01 : x
  2. Step 2: Convert to fraction form
    13,059.79/19,591.07 = 4,172.01/x
  3. Step 3: Cross multiply
    13,059.79x = 19,591.07 × 4,172.01
  4. Step 4: Simplify right side
    13,059.79x = 81,734,139.95
  5. Step 5: Solve for x
    x = 81,734,139.95/13,059.79
  6. Step 6: Final answer
    x = 6,258.46

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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.