Home / 19,416.73-29,130.76-7,731.67

Finding the Fourth Proportional to 19,416.73, 29,130.76 and 7,731.67

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Solution

The fourth proportional to 19,416.73, 29,130.76 and 7,731.67 is: 11,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.73 : 29,130.76 = 7,731.67 : x
  2. Step 2: Convert to fraction form
    19,416.73/29,130.76 = 7,731.67/x
  3. Step 3: Cross multiply
    19,416.73x = 29,130.76 × 7,731.67
  4. Step 4: Simplify right side
    19,416.73x = 225,229,360.01
  5. Step 5: Solve for x
    x = 225,229,360.01/19,416.73
  6. Step 6: Final answer
    x = 11,599.76

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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.