Home / 15,573.63-23,360.64-5,185.38

Finding the Fourth Proportional to 15,573.63, 23,360.64 and 5,185.38

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Solution

The fourth proportional to 15,573.63, 23,360.64 and 5,185.38 is: 7,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.63 : 23,360.64 = 5,185.38 : x
  2. Step 2: Convert to fraction form
    15,573.63/23,360.64 = 5,185.38/x
  3. Step 3: Cross multiply
    15,573.63x = 23,360.64 × 5,185.38
  4. Step 4: Simplify right side
    15,573.63x = 121,133,795.44
  5. Step 5: Solve for x
    x = 121,133,795.44/15,573.63
  6. Step 6: Final answer
    x = 7,778.13

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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.