Home / 25,986.31-35,852.61-15,904.24

Finding the Fourth Proportional to 25,986.31, 35,852.61 and 15,904.24

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Solution

The fourth proportional to 25,986.31, 35,852.61 and 15,904.24 is: 21,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.31 : 35,852.61 = 15,904.24 : x
  2. Step 2: Convert to fraction form
    25,986.31/35,852.61 = 15,904.24/x
  3. Step 3: Cross multiply
    25,986.31x = 35,852.61 × 15,904.24
  4. Step 4: Simplify right side
    25,986.31x = 570,208,514.07
  5. Step 5: Solve for x
    x = 570,208,514.07/25,986.31
  6. Step 6: Final answer
    x = 21,942.65

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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.