Home / 13,823.60-20,738.40-5,058.52

Finding the Fourth Proportional to 13,823.60, 20,738.40 and 5,058.52

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Solution

The fourth proportional to 13,823.60, 20,738.40 and 5,058.52 is: 7,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.60 : 20,738.40 = 5,058.52 : x
  2. Step 2: Convert to fraction form
    13,823.60/20,738.40 = 5,058.52/x
  3. Step 3: Cross multiply
    13,823.60x = 20,738.40 × 5,058.52
  4. Step 4: Simplify right side
    13,823.60x = 104,905,611.17
  5. Step 5: Solve for x
    x = 104,905,611.17/13,823.60
  6. Step 6: Final answer
    x = 7,588.88

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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.