Home / 25,881.76-35,669.46-18,795.88

Finding the Fourth Proportional to 25,881.76, 35,669.46 and 18,795.88

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Solution

The fourth proportional to 25,881.76, 35,669.46 and 18,795.88 is: 25,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.76 : 35,669.46 = 18,795.88 : x
  2. Step 2: Convert to fraction form
    25,881.76/35,669.46 = 18,795.88/x
  3. Step 3: Cross multiply
    25,881.76x = 35,669.46 × 18,795.88
  4. Step 4: Simplify right side
    25,881.76x = 670,438,889.82
  5. Step 5: Solve for x
    x = 670,438,889.82/25,881.76
  6. Step 6: Final answer
    x = 25,903.91

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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.