Home / 25,431.17-35,094.06-14,100.78

Finding the Fourth Proportional to 25,431.17, 35,094.06 and 14,100.78

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Solution

The fourth proportional to 25,431.17, 35,094.06 and 14,100.78 is: 19,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.17 : 35,094.06 = 14,100.78 : x
  2. Step 2: Convert to fraction form
    25,431.17/35,094.06 = 14,100.78/x
  3. Step 3: Cross multiply
    25,431.17x = 35,094.06 × 14,100.78
  4. Step 4: Simplify right side
    25,431.17x = 494,853,750.97
  5. Step 5: Solve for x
    x = 494,853,750.97/25,431.17
  6. Step 6: Final answer
    x = 19,458.56

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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.