Home / 22,173.58-30,572.31-13,775.50

Finding the Fourth Proportional to 22,173.58, 30,572.31 and 13,775.50

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Solution

The fourth proportional to 22,173.58, 30,572.31 and 13,775.50 is: 18,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,173.58 : 30,572.31 = 13,775.50 : x
  2. Step 2: Convert to fraction form
    22,173.58/30,572.31 = 13,775.50/x
  3. Step 3: Cross multiply
    22,173.58x = 30,572.31 × 13,775.50
  4. Step 4: Simplify right side
    22,173.58x = 421,148,856.41
  5. Step 5: Solve for x
    x = 421,148,856.41/22,173.58
  6. Step 6: Final answer
    x = 18,993.27

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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.