Home / 14,381.55-21,574.45-7,365.53

Finding the Fourth Proportional to 14,381.55, 21,574.45 and 7,365.53

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Solution

The fourth proportional to 14,381.55, 21,574.45 and 7,365.53 is: 11,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.55 : 21,574.45 = 7,365.53 : x
  2. Step 2: Convert to fraction form
    14,381.55/21,574.45 = 7,365.53/x
  3. Step 3: Cross multiply
    14,381.55x = 21,574.45 × 7,365.53
  4. Step 4: Simplify right side
    14,381.55x = 158,907,321.85
  5. Step 5: Solve for x
    x = 158,907,321.85/14,381.55
  6. Step 6: Final answer
    x = 11,049.39

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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.