Home / 25,442.63-35,112.21-15,370.97

Finding the Fourth Proportional to 25,442.63, 35,112.21 and 15,370.97

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Solution

The fourth proportional to 25,442.63, 35,112.21 and 15,370.97 is: 21,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.63 : 35,112.21 = 15,370.97 : x
  2. Step 2: Convert to fraction form
    25,442.63/35,112.21 = 15,370.97/x
  3. Step 3: Cross multiply
    25,442.63x = 35,112.21 × 15,370.97
  4. Step 4: Simplify right side
    25,442.63x = 539,708,536.57
  5. Step 5: Solve for x
    x = 539,708,536.57/25,442.63
  6. Step 6: Final answer
    x = 21,212.76

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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.