Home / 15,322.37-22,981.86-5,325.30

Finding the Fourth Proportional to 15,322.37, 22,981.86 and 5,325.30

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Solution

The fourth proportional to 15,322.37, 22,981.86 and 5,325.30 is: 7,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.37 : 22,981.86 = 5,325.30 : x
  2. Step 2: Convert to fraction form
    15,322.37/22,981.86 = 5,325.30/x
  3. Step 3: Cross multiply
    15,322.37x = 22,981.86 × 5,325.30
  4. Step 4: Simplify right side
    15,322.37x = 122,385,299.06
  5. Step 5: Solve for x
    x = 122,385,299.06/15,322.37
  6. Step 6: Final answer
    x = 7,987.36

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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.