Home / 14,027.52-19,357.02-7,740

Finding the Fourth Proportional to 14,027.52, 19,357.02 and 7,740

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Solution

The fourth proportional to 14,027.52, 19,357.02 and 7,740 is: 10,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.52 : 19,357.02 = 7,740 : x
  2. Step 2: Convert to fraction form
    14,027.52/19,357.02 = 7,740/x
  3. Step 3: Cross multiply
    14,027.52x = 19,357.02 × 7,740
  4. Step 4: Simplify right side
    14,027.52x = 149,823,334.80
  5. Step 5: Solve for x
    x = 149,823,334.80/14,027.52
  6. Step 6: Final answer
    x = 10,680.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.