Home / 15,357.57-23,039.99-4,969.32

Finding the Fourth Proportional to 15,357.57, 23,039.99 and 4,969.32

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Solution

The fourth proportional to 15,357.57, 23,039.99 and 4,969.32 is: 7,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,357.57 : 23,039.99 = 4,969.32 : x
  2. Step 2: Convert to fraction form
    15,357.57/23,039.99 = 4,969.32/x
  3. Step 3: Cross multiply
    15,357.57x = 23,039.99 × 4,969.32
  4. Step 4: Simplify right side
    15,357.57x = 114,493,083.11
  5. Step 5: Solve for x
    x = 114,493,083.11/15,357.57
  6. Step 6: Final answer
    x = 7,455.16

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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.