Home / 14,645.90-21,953.34-4,782.53

Finding the Fourth Proportional to 14,645.90, 21,953.34 and 4,782.53

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Solution

The fourth proportional to 14,645.90, 21,953.34 and 4,782.53 is: 7,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.90 : 21,953.34 = 4,782.53 : x
  2. Step 2: Convert to fraction form
    14,645.90/21,953.34 = 4,782.53/x
  3. Step 3: Cross multiply
    14,645.90x = 21,953.34 × 4,782.53
  4. Step 4: Simplify right side
    14,645.90x = 104,992,507.15
  5. Step 5: Solve for x
    x = 104,992,507.15/14,645.90
  6. Step 6: Final answer
    x = 7,168.73

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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.