Home / 15,943.55-23,905.07-7,623.38

Finding the Fourth Proportional to 15,943.55, 23,905.07 and 7,623.38

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Solution

The fourth proportional to 15,943.55, 23,905.07 and 7,623.38 is: 11,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.55 : 23,905.07 = 7,623.38 : x
  2. Step 2: Convert to fraction form
    15,943.55/23,905.07 = 7,623.38/x
  3. Step 3: Cross multiply
    15,943.55x = 23,905.07 × 7,623.38
  4. Step 4: Simplify right side
    15,943.55x = 182,237,274.89
  5. Step 5: Solve for x
    x = 182,237,274.89/15,943.55
  6. Step 6: Final answer
    x = 11,430.16

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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.