Home / 25,765.02-35,571.56-19,785.06

Finding the Fourth Proportional to 25,765.02, 35,571.56 and 19,785.06

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Solution

The fourth proportional to 25,765.02, 35,571.56 and 19,785.06 is: 27,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.02 : 35,571.56 = 19,785.06 : x
  2. Step 2: Convert to fraction form
    25,765.02/35,571.56 = 19,785.06/x
  3. Step 3: Cross multiply
    25,765.02x = 35,571.56 × 19,785.06
  4. Step 4: Simplify right side
    25,765.02x = 703,785,349.97
  5. Step 5: Solve for x
    x = 703,785,349.97/25,765.02
  6. Step 6: Final answer
    x = 27,315.54

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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.