Home / 19,607.77-29,399.81-7,907.32

Finding the Fourth Proportional to 19,607.77, 29,399.81 and 7,907.32

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Solution

The fourth proportional to 19,607.77, 29,399.81 and 7,907.32 is: 11,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.77 : 29,399.81 = 7,907.32 : x
  2. Step 2: Convert to fraction form
    19,607.77/29,399.81 = 7,907.32/x
  3. Step 3: Cross multiply
    19,607.77x = 29,399.81 × 7,907.32
  4. Step 4: Simplify right side
    19,607.77x = 232,473,747.30
  5. Step 5: Solve for x
    x = 232,473,747.30/19,607.77
  6. Step 6: Final answer
    x = 11,856.20

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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.