Home / 13,257.25-19,881.63-5,861.55

Finding the Fourth Proportional to 13,257.25, 19,881.63 and 5,861.55

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Solution

The fourth proportional to 13,257.25, 19,881.63 and 5,861.55 is: 8,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.25 : 19,881.63 = 5,861.55 : x
  2. Step 2: Convert to fraction form
    13,257.25/19,881.63 = 5,861.55/x
  3. Step 3: Cross multiply
    13,257.25x = 19,881.63 × 5,861.55
  4. Step 4: Simplify right side
    13,257.25x = 116,537,168.33
  5. Step 5: Solve for x
    x = 116,537,168.33/13,257.25
  6. Step 6: Final answer
    x = 8,790.45

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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.