Home / 13,015.76-19,522.32-4,695.90

Finding the Fourth Proportional to 13,015.76, 19,522.32 and 4,695.90

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Solution

The fourth proportional to 13,015.76, 19,522.32 and 4,695.90 is: 7,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.76 : 19,522.32 = 4,695.90 : x
  2. Step 2: Convert to fraction form
    13,015.76/19,522.32 = 4,695.90/x
  3. Step 3: Cross multiply
    13,015.76x = 19,522.32 × 4,695.90
  4. Step 4: Simplify right side
    13,015.76x = 91,674,826.58
  5. Step 5: Solve for x
    x = 91,674,826.58/13,015.76
  6. Step 6: Final answer
    x = 7,043.37

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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.