Home / 15,551.10-23,319.63-4,455.25

Finding the Fourth Proportional to 15,551.10, 23,319.63 and 4,455.25

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Solution

The fourth proportional to 15,551.10, 23,319.63 and 4,455.25 is: 6,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.10 : 23,319.63 = 4,455.25 : x
  2. Step 2: Convert to fraction form
    15,551.10/23,319.63 = 4,455.25/x
  3. Step 3: Cross multiply
    15,551.10x = 23,319.63 × 4,455.25
  4. Step 4: Simplify right side
    15,551.10x = 103,894,723.26
  5. Step 5: Solve for x
    x = 103,894,723.26/15,551.10
  6. Step 6: Final answer
    x = 6,680.86

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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.