Home / 17,627.45-26,443.65-5,148.40

Finding the Fourth Proportional to 17,627.45, 26,443.65 and 5,148.40

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Solution

The fourth proportional to 17,627.45, 26,443.65 and 5,148.40 is: 7,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.45 : 26,443.65 = 5,148.40 : x
  2. Step 2: Convert to fraction form
    17,627.45/26,443.65 = 5,148.40/x
  3. Step 3: Cross multiply
    17,627.45x = 26,443.65 × 5,148.40
  4. Step 4: Simplify right side
    17,627.45x = 136,142,355.44
  5. Step 5: Solve for x
    x = 136,142,355.44/17,627.45
  6. Step 6: Final answer
    x = 7,723.32

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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.