Home / 15,985.62-23,975.53-4,296.11

Finding the Fourth Proportional to 15,985.62, 23,975.53 and 4,296.11

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Solution

The fourth proportional to 15,985.62, 23,975.53 and 4,296.11 is: 6,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.62 : 23,975.53 = 4,296.11 : x
  2. Step 2: Convert to fraction form
    15,985.62/23,975.53 = 4,296.11/x
  3. Step 3: Cross multiply
    15,985.62x = 23,975.53 × 4,296.11
  4. Step 4: Simplify right side
    15,985.62x = 103,001,383.57
  5. Step 5: Solve for x
    x = 103,001,383.57/15,985.62
  6. Step 6: Final answer
    x = 6,443.38

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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.