Home / 15,579.52-23,376.56-6,816.96

Finding the Fourth Proportional to 15,579.52, 23,376.56 and 6,816.96

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Solution

The fourth proportional to 15,579.52, 23,376.56 and 6,816.96 is: 10,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.52 : 23,376.56 = 6,816.96 : x
  2. Step 2: Convert to fraction form
    15,579.52/23,376.56 = 6,816.96/x
  3. Step 3: Cross multiply
    15,579.52x = 23,376.56 × 6,816.96
  4. Step 4: Simplify right side
    15,579.52x = 159,357,074.46
  5. Step 5: Solve for x
    x = 159,357,074.46/15,579.52
  6. Step 6: Final answer
    x = 10,228.63

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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.