Home / 25,100.88-34,640.80-14,491.20

Finding the Fourth Proportional to 25,100.88, 34,640.80 and 14,491.20

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Solution

The fourth proportional to 25,100.88, 34,640.80 and 14,491.20 is: 19,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,100.88 : 34,640.80 = 14,491.20 : x
  2. Step 2: Convert to fraction form
    25,100.88/34,640.80 = 14,491.20/x
  3. Step 3: Cross multiply
    25,100.88x = 34,640.80 × 14,491.20
  4. Step 4: Simplify right side
    25,100.88x = 501,986,760.96
  5. Step 5: Solve for x
    x = 501,986,760.96/25,100.88
  6. Step 6: Final answer
    x = 19,998.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.