Home / 15,485.52-23,231.88-5,097.36

Finding the Fourth Proportional to 15,485.52, 23,231.88 and 5,097.36

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Solution

The fourth proportional to 15,485.52, 23,231.88 and 5,097.36 is: 7,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.52 : 23,231.88 = 5,097.36 : x
  2. Step 2: Convert to fraction form
    15,485.52/23,231.88 = 5,097.36/x
  3. Step 3: Cross multiply
    15,485.52x = 23,231.88 × 5,097.36
  4. Step 4: Simplify right side
    15,485.52x = 118,421,255.84
  5. Step 5: Solve for x
    x = 118,421,255.84/15,485.52
  6. Step 6: Final answer
    x = 7,647.23

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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.