Home / 15,579.47-23,369.24-6,815.07

Finding the Fourth Proportional to 15,579.47, 23,369.24 and 6,815.07

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Solution

The fourth proportional to 15,579.47, 23,369.24 and 6,815.07 is: 10,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.47 : 23,369.24 = 6,815.07 : x
  2. Step 2: Convert to fraction form
    15,579.47/23,369.24 = 6,815.07/x
  3. Step 3: Cross multiply
    15,579.47x = 23,369.24 × 6,815.07
  4. Step 4: Simplify right side
    15,579.47x = 159,263,023.48
  5. Step 5: Solve for x
    x = 159,263,023.48/15,579.47
  6. Step 6: Final answer
    x = 10,222.62

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1.5x scale

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.