Home / 25,801.37-35,612.22-15,735.36

Finding the Fourth Proportional to 25,801.37, 35,612.22 and 15,735.36

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Solution

The fourth proportional to 25,801.37, 35,612.22 and 15,735.36 is: 21,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.37 : 35,612.22 = 15,735.36 : x
  2. Step 2: Convert to fraction form
    25,801.37/35,612.22 = 15,735.36/x
  3. Step 3: Cross multiply
    25,801.37x = 35,612.22 × 15,735.36
  4. Step 4: Simplify right side
    25,801.37x = 560,371,102.10
  5. Step 5: Solve for x
    x = 560,371,102.10/25,801.37
  6. Step 6: Final answer
    x = 21,718.66

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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.