Home / 25,811.56-35,640.02-19,833.80

Finding the Fourth Proportional to 25,811.56, 35,640.02 and 19,833.80

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Solution

The fourth proportional to 25,811.56, 35,640.02 and 19,833.80 is: 27,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.56 : 35,640.02 = 19,833.80 : x
  2. Step 2: Convert to fraction form
    25,811.56/35,640.02 = 19,833.80/x
  3. Step 3: Cross multiply
    25,811.56x = 35,640.02 × 19,833.80
  4. Step 4: Simplify right side
    25,811.56x = 706,877,028.68
  5. Step 5: Solve for x
    x = 706,877,028.68/25,811.56
  6. Step 6: Final answer
    x = 27,386.06

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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.