Home / 25,235.70-37,853.55-21,477.30

Finding the Fourth Proportional to 25,235.70, 37,853.55 and 21,477.30

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Solution

The fourth proportional to 25,235.70, 37,853.55 and 21,477.30 is: 32,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.70 : 37,853.55 = 21,477.30 : x
  2. Step 2: Convert to fraction form
    25,235.70/37,853.55 = 21,477.30/x
  3. Step 3: Cross multiply
    25,235.70x = 37,853.55 × 21,477.30
  4. Step 4: Simplify right side
    25,235.70x = 812,992,049.42
  5. Step 5: Solve for x
    x = 812,992,049.42/25,235.70
  6. Step 6: Final answer
    x = 32,215.95

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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.