Home / 14,777.21-22,167.84-5,415.03

Finding the Fourth Proportional to 14,777.21, 22,167.84 and 5,415.03

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Solution

The fourth proportional to 14,777.21, 22,167.84 and 5,415.03 is: 8,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.21 : 22,167.84 = 5,415.03 : x
  2. Step 2: Convert to fraction form
    14,777.21/22,167.84 = 5,415.03/x
  3. Step 3: Cross multiply
    14,777.21x = 22,167.84 × 5,415.03
  4. Step 4: Simplify right side
    14,777.21x = 120,039,518.64
  5. Step 5: Solve for x
    x = 120,039,518.64/14,777.21
  6. Step 6: Final answer
    x = 8,123.29

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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.