Home / 13,804.75-20,714.31-7,567.70

Finding the Fourth Proportional to 13,804.75, 20,714.31 and 7,567.70

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Solution

The fourth proportional to 13,804.75, 20,714.31 and 7,567.70 is: 11,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.75 : 20,714.31 = 7,567.70 : x
  2. Step 2: Convert to fraction form
    13,804.75/20,714.31 = 7,567.70/x
  3. Step 3: Cross multiply
    13,804.75x = 20,714.31 × 7,567.70
  4. Step 4: Simplify right side
    13,804.75x = 156,759,733.71
  5. Step 5: Solve for x
    x = 156,759,733.71/13,804.75
  6. Step 6: Final answer
    x = 11,355.49

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1.5x scale

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.