Home / 14,515.81-21,777.37-4,127.56

Finding the Fourth Proportional to 14,515.81, 21,777.37 and 4,127.56

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Solution

The fourth proportional to 14,515.81, 21,777.37 and 4,127.56 is: 6,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.81 : 21,777.37 = 4,127.56 : x
  2. Step 2: Convert to fraction form
    14,515.81/21,777.37 = 4,127.56/x
  3. Step 3: Cross multiply
    14,515.81x = 21,777.37 × 4,127.56
  4. Step 4: Simplify right side
    14,515.81x = 89,887,336.55
  5. Step 5: Solve for x
    x = 89,887,336.55/14,515.81
  6. Step 6: Final answer
    x = 6,192.38

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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.