Home / 25,736.32-35,505.72-15,656.68

Finding the Fourth Proportional to 25,736.32, 35,505.72 and 15,656.68

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Solution

The fourth proportional to 25,736.32, 35,505.72 and 15,656.68 is: 21,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,736.32 : 35,505.72 = 15,656.68 : x
  2. Step 2: Convert to fraction form
    25,736.32/35,505.72 = 15,656.68/x
  3. Step 3: Cross multiply
    25,736.32x = 35,505.72 × 15,656.68
  4. Step 4: Simplify right side
    25,736.32x = 555,901,696.21
  5. Step 5: Solve for x
    x = 555,901,696.21/25,736.32
  6. Step 6: Final answer
    x = 21,599.89

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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.