Home / 25,364.80-34,991.60-16,415.16

Finding the Fourth Proportional to 25,364.80, 34,991.60 and 16,415.16

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Solution

The fourth proportional to 25,364.80, 34,991.60 and 16,415.16 is: 22,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.80 : 34,991.60 = 16,415.16 : x
  2. Step 2: Convert to fraction form
    25,364.80/34,991.60 = 16,415.16/x
  3. Step 3: Cross multiply
    25,364.80x = 34,991.60 × 16,415.16
  4. Step 4: Simplify right side
    25,364.80x = 574,392,712.66
  5. Step 5: Solve for x
    x = 574,392,712.66/25,364.80
  6. Step 6: Final answer
    x = 22,645.27

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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.