Home / 15,322.16-22,985.44-5,458.56

Finding the Fourth Proportional to 15,322.16, 22,985.44 and 5,458.56

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Solution

The fourth proportional to 15,322.16, 22,985.44 and 5,458.56 is: 8,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.16 : 22,985.44 = 5,458.56 : x
  2. Step 2: Convert to fraction form
    15,322.16/22,985.44 = 5,458.56/x
  3. Step 3: Cross multiply
    15,322.16x = 22,985.44 × 5,458.56
  4. Step 4: Simplify right side
    15,322.16x = 125,467,403.37
  5. Step 5: Solve for x
    x = 125,467,403.37/15,322.16
  6. Step 6: Final answer
    x = 8,188.62

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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.