Home / 15,899.68-23,856.41-7,579.77

Finding the Fourth Proportional to 15,899.68, 23,856.41 and 7,579.77

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Solution

The fourth proportional to 15,899.68, 23,856.41 and 7,579.77 is: 11,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.68 : 23,856.41 = 7,579.77 : x
  2. Step 2: Convert to fraction form
    15,899.68/23,856.41 = 7,579.77/x
  3. Step 3: Cross multiply
    15,899.68x = 23,856.41 × 7,579.77
  4. Step 4: Simplify right side
    15,899.68x = 180,825,943.64
  5. Step 5: Solve for x
    x = 180,825,943.64/15,899.68
  6. Step 6: Final answer
    x = 11,372.93

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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.