Home / 14,419.20-21,629.76-5,058.08

Finding the Fourth Proportional to 14,419.20, 21,629.76 and 5,058.08

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Solution

The fourth proportional to 14,419.20, 21,629.76 and 5,058.08 is: 7,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.20 : 21,629.76 = 5,058.08 : x
  2. Step 2: Convert to fraction form
    14,419.20/21,629.76 = 5,058.08/x
  3. Step 3: Cross multiply
    14,419.20x = 21,629.76 × 5,058.08
  4. Step 4: Simplify right side
    14,419.20x = 109,405,056.46
  5. Step 5: Solve for x
    x = 109,405,056.46/14,419.20
  6. Step 6: Final answer
    x = 7,587.46

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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.