Home / 25,825.47-35,625.60-21,322.95

Finding the Fourth Proportional to 25,825.47, 35,625.60 and 21,322.95

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Solution

The fourth proportional to 25,825.47, 35,625.60 and 21,322.95 is: 29,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.47 : 35,625.60 = 21,322.95 : x
  2. Step 2: Convert to fraction form
    25,825.47/35,625.60 = 21,322.95/x
  3. Step 3: Cross multiply
    25,825.47x = 35,625.60 × 21,322.95
  4. Step 4: Simplify right side
    25,825.47x = 759,642,887.52
  5. Step 5: Solve for x
    x = 759,642,887.52/25,825.47
  6. Step 6: Final answer
    x = 29,414.48

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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.