Home / 25,770.08-38,589.49-16,978.34

Finding the Fourth Proportional to 25,770.08, 38,589.49 and 16,978.34

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Solution

The fourth proportional to 25,770.08, 38,589.49 and 16,978.34 is: 25,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.08 : 38,589.49 = 16,978.34 : x
  2. Step 2: Convert to fraction form
    25,770.08/38,589.49 = 16,978.34/x
  3. Step 3: Cross multiply
    25,770.08x = 38,589.49 × 16,978.34
  4. Step 4: Simplify right side
    25,770.08x = 655,185,203.81
  5. Step 5: Solve for x
    x = 655,185,203.81/25,770.08
  6. Step 6: Final answer
    x = 25,424.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.