Home / 25,692.18-38,450.71-21,536.88

Finding the Fourth Proportional to 25,692.18, 38,450.71 and 21,536.88

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Solution

The fourth proportional to 25,692.18, 38,450.71 and 21,536.88 is: 32,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.18 : 38,450.71 = 21,536.88 : x
  2. Step 2: Convert to fraction form
    25,692.18/38,450.71 = 21,536.88/x
  3. Step 3: Cross multiply
    25,692.18x = 38,450.71 × 21,536.88
  4. Step 4: Simplify right side
    25,692.18x = 828,108,327.18
  5. Step 5: Solve for x
    x = 828,108,327.18/25,692.18
  6. Step 6: Final answer
    x = 32,231.92

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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.