Home / 25,986.07-35,866.34-16,419.88

Finding the Fourth Proportional to 25,986.07, 35,866.34 and 16,419.88

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Solution

The fourth proportional to 25,986.07, 35,866.34 and 16,419.88 is: 22,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.07 : 35,866.34 = 16,419.88 : x
  2. Step 2: Convert to fraction form
    25,986.07/35,866.34 = 16,419.88/x
  3. Step 3: Cross multiply
    25,986.07x = 35,866.34 × 16,419.88
  4. Step 4: Simplify right side
    25,986.07x = 588,920,894.32
  5. Step 5: Solve for x
    x = 588,920,894.32/25,986.07
  6. Step 6: Final answer
    x = 22,662.95

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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.