Home / 25,427.86-38,141.82-10,628.68

Finding the Fourth Proportional to 25,427.86, 38,141.82 and 10,628.68

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Solution

The fourth proportional to 25,427.86, 38,141.82 and 10,628.68 is: 15,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427.86 : 38,141.82 = 10,628.68 : x
  2. Step 2: Convert to fraction form
    25,427.86/38,141.82 = 10,628.68/x
  3. Step 3: Cross multiply
    25,427.86x = 38,141.82 × 10,628.68
  4. Step 4: Simplify right side
    25,427.86x = 405,397,199.40
  5. Step 5: Solve for x
    x = 405,397,199.40/25,427.86
  6. Step 6: Final answer
    x = 15,943.03

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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.