Home / 14,240.61-21,361.50-4,887.06

Finding the Fourth Proportional to 14,240.61, 21,361.50 and 4,887.06

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Solution

The fourth proportional to 14,240.61, 21,361.50 and 4,887.06 is: 7,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.61 : 21,361.50 = 4,887.06 : x
  2. Step 2: Convert to fraction form
    14,240.61/21,361.50 = 4,887.06/x
  3. Step 3: Cross multiply
    14,240.61x = 21,361.50 × 4,887.06
  4. Step 4: Simplify right side
    14,240.61x = 104,394,932.19
  5. Step 5: Solve for x
    x = 104,394,932.19/14,240.61
  6. Step 6: Final answer
    x = 7,330.79

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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.