Home / 25,858.45-35,689.31-15,247.45

Finding the Fourth Proportional to 25,858.45, 35,689.31 and 15,247.45

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Solution

The fourth proportional to 25,858.45, 35,689.31 and 15,247.45 is: 21,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.45 : 35,689.31 = 15,247.45 : x
  2. Step 2: Convert to fraction form
    25,858.45/35,689.31 = 15,247.45/x
  3. Step 3: Cross multiply
    25,858.45x = 35,689.31 × 15,247.45
  4. Step 4: Simplify right side
    25,858.45x = 544,170,969.76
  5. Step 5: Solve for x
    x = 544,170,969.76/25,858.45
  6. Step 6: Final answer
    x = 21,044.22

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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.