Home / 18,774.36-25,770.59-16,602.30

Finding the Fourth Proportional to 18,774.36, 25,770.59 and 16,602.30

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Solution

The fourth proportional to 18,774.36, 25,770.59 and 16,602.30 is: 22,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.36 : 25,770.59 = 16,602.30 : x
  2. Step 2: Convert to fraction form
    18,774.36/25,770.59 = 16,602.30/x
  3. Step 3: Cross multiply
    18,774.36x = 25,770.59 × 16,602.30
  4. Step 4: Simplify right side
    18,774.36x = 427,850,983.35
  5. Step 5: Solve for x
    x = 427,850,983.35/18,774.36
  6. Step 6: Final answer
    x = 22,789.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.