Home / 15,625.53-23,435.78-5,769.45

Finding the Fourth Proportional to 15,625.53, 23,435.78 and 5,769.45

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Solution

The fourth proportional to 15,625.53, 23,435.78 and 5,769.45 is: 8,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.53 : 23,435.78 = 5,769.45 : x
  2. Step 2: Convert to fraction form
    15,625.53/23,435.78 = 5,769.45/x
  3. Step 3: Cross multiply
    15,625.53x = 23,435.78 × 5,769.45
  4. Step 4: Simplify right side
    15,625.53x = 135,211,532.07
  5. Step 5: Solve for x
    x = 135,211,532.07/15,625.53
  6. Step 6: Final answer
    x = 8,653.24

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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.