Home / 25,736.13-35,519.61-15,670.46

Finding the Fourth Proportional to 25,736.13, 35,519.61 and 15,670.46

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Solution

The fourth proportional to 25,736.13, 35,519.61 and 15,670.46 is: 21,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,736.13 : 35,519.61 = 15,670.46 : x
  2. Step 2: Convert to fraction form
    25,736.13/35,519.61 = 15,670.46/x
  3. Step 3: Cross multiply
    25,736.13x = 35,519.61 × 15,670.46
  4. Step 4: Simplify right side
    25,736.13x = 556,608,775.28
  5. Step 5: Solve for x
    x = 556,608,775.28/25,736.13
  6. Step 6: Final answer
    x = 21,627.52

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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.