Home / 15,750.36-23,629.80-5,890.64

Finding the Fourth Proportional to 15,750.36, 23,629.80 and 5,890.64

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Solution

The fourth proportional to 15,750.36, 23,629.80 and 5,890.64 is: 8,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.36 : 23,629.80 = 5,890.64 : x
  2. Step 2: Convert to fraction form
    15,750.36/23,629.80 = 5,890.64/x
  3. Step 3: Cross multiply
    15,750.36x = 23,629.80 × 5,890.64
  4. Step 4: Simplify right side
    15,750.36x = 139,194,526.92
  5. Step 5: Solve for x
    x = 139,194,526.92/15,750.36
  6. Step 6: Final answer
    x = 8,837.55

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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.