Home / 25,805.32-35,605.62-16,385.80

Finding the Fourth Proportional to 25,805.32, 35,605.62 and 16,385.80

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Solution

The fourth proportional to 25,805.32, 35,605.62 and 16,385.80 is: 22,608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.32 : 35,605.62 = 16,385.80 : x
  2. Step 2: Convert to fraction form
    25,805.32/35,605.62 = 16,385.80/x
  3. Step 3: Cross multiply
    25,805.32x = 35,605.62 × 16,385.80
  4. Step 4: Simplify right side
    25,805.32x = 583,426,568.20
  5. Step 5: Solve for x
    x = 583,426,568.20/25,805.32
  6. Step 6: Final answer
    x = 22,608.77

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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.