Home / 25,443.37-35,071.38-20,057.07

Finding the Fourth Proportional to 25,443.37, 35,071.38 and 20,057.07

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Solution

The fourth proportional to 25,443.37, 35,071.38 and 20,057.07 is: 27,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.37 : 35,071.38 = 20,057.07 : x
  2. Step 2: Convert to fraction form
    25,443.37/35,071.38 = 20,057.07/x
  3. Step 3: Cross multiply
    25,443.37x = 35,071.38 × 20,057.07
  4. Step 4: Simplify right side
    25,443.37x = 703,429,057.90
  5. Step 5: Solve for x
    x = 703,429,057.90/25,443.37
  6. Step 6: Final answer
    x = 27,646.86

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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.