Home / 15,640.31-23,464.61-4,548.05

Finding the Fourth Proportional to 15,640.31, 23,464.61 and 4,548.05

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Solution

The fourth proportional to 15,640.31, 23,464.61 and 4,548.05 is: 6,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.31 : 23,464.61 = 4,548.05 : x
  2. Step 2: Convert to fraction form
    15,640.31/23,464.61 = 4,548.05/x
  3. Step 3: Cross multiply
    15,640.31x = 23,464.61 × 4,548.05
  4. Step 4: Simplify right side
    15,640.31x = 106,718,196.77
  5. Step 5: Solve for x
    x = 106,718,196.77/15,640.31
  6. Step 6: Final answer
    x = 6,823.28

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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.