Home / 19,427.40-29,140.79-6,944.04

Finding the Fourth Proportional to 19,427.40, 29,140.79 and 6,944.04

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Solution

The fourth proportional to 19,427.40, 29,140.79 and 6,944.04 is: 10,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.40 : 29,140.79 = 6,944.04 : x
  2. Step 2: Convert to fraction form
    19,427.40/29,140.79 = 6,944.04/x
  3. Step 3: Cross multiply
    19,427.40x = 29,140.79 × 6,944.04
  4. Step 4: Simplify right side
    19,427.40x = 202,354,776.67
  5. Step 5: Solve for x
    x = 202,354,776.67/19,427.40
  6. Step 6: Final answer
    x = 10,415.95

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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.