Home / 15,981.17-23,971.73-4,294.39

Finding the Fourth Proportional to 15,981.17, 23,971.73 and 4,294.39

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Solution

The fourth proportional to 15,981.17, 23,971.73 and 4,294.39 is: 6,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.17 : 23,971.73 = 4,294.39 : x
  2. Step 2: Convert to fraction form
    15,981.17/23,971.73 = 4,294.39/x
  3. Step 3: Cross multiply
    15,981.17x = 23,971.73 × 4,294.39
  4. Step 4: Simplify right side
    15,981.17x = 102,943,957.59
  5. Step 5: Solve for x
    x = 102,943,957.59/15,981.17
  6. Step 6: Final answer
    x = 6,441.58

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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.