Home / 25,243.09-34,835.29-13,912.61

Finding the Fourth Proportional to 25,243.09, 34,835.29 and 13,912.61

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Solution

The fourth proportional to 25,243.09, 34,835.29 and 13,912.61 is: 19,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.09 : 34,835.29 = 13,912.61 : x
  2. Step 2: Convert to fraction form
    25,243.09/34,835.29 = 13,912.61/x
  3. Step 3: Cross multiply
    25,243.09x = 34,835.29 × 13,912.61
  4. Step 4: Simplify right side
    25,243.09x = 484,649,595.05
  5. Step 5: Solve for x
    x = 484,649,595.05/25,243.09
  6. Step 6: Final answer
    x = 19,199.30

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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.