Home / 13,874.63-19,147.46-7,587.41

Finding the Fourth Proportional to 13,874.63, 19,147.46 and 7,587.41

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Solution

The fourth proportional to 13,874.63, 19,147.46 and 7,587.41 is: 10,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.63 : 19,147.46 = 7,587.41 : x
  2. Step 2: Convert to fraction form
    13,874.63/19,147.46 = 7,587.41/x
  3. Step 3: Cross multiply
    13,874.63x = 19,147.46 × 7,587.41
  4. Step 4: Simplify right side
    13,874.63x = 145,279,629.48
  5. Step 5: Solve for x
    x = 145,279,629.48/13,874.63
  6. Step 6: Final answer
    x = 10,470.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.