Home / 15,631.82-23,416.32-7,300.34

Finding the Fourth Proportional to 15,631.82, 23,416.32 and 7,300.34

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Solution

The fourth proportional to 15,631.82, 23,416.32 and 7,300.34 is: 10,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.82 : 23,416.32 = 7,300.34 : x
  2. Step 2: Convert to fraction form
    15,631.82/23,416.32 = 7,300.34/x
  3. Step 3: Cross multiply
    15,631.82x = 23,416.32 × 7,300.34
  4. Step 4: Simplify right side
    15,631.82x = 170,947,097.55
  5. Step 5: Solve for x
    x = 170,947,097.55/15,631.82
  6. Step 6: Final answer
    x = 10,935.84

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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.