Home / 19,118.54-28,677.21-5,267.42

Finding the Fourth Proportional to 19,118.54, 28,677.21 and 5,267.42

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Solution

The fourth proportional to 19,118.54, 28,677.21 and 5,267.42 is: 7,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.54 : 28,677.21 = 5,267.42 : x
  2. Step 2: Convert to fraction form
    19,118.54/28,677.21 = 5,267.42/x
  3. Step 3: Cross multiply
    19,118.54x = 28,677.21 × 5,267.42
  4. Step 4: Simplify right side
    19,118.54x = 151,054,909.50
  5. Step 5: Solve for x
    x = 151,054,909.50/19,118.54
  6. Step 6: Final answer
    x = 7,900.96

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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.