Home / 25,288.80-37,933.20-16,431.45

Finding the Fourth Proportional to 25,288.80, 37,933.20 and 16,431.45

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Solution

The fourth proportional to 25,288.80, 37,933.20 and 16,431.45 is: 24,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.80 : 37,933.20 = 16,431.45 : x
  2. Step 2: Convert to fraction form
    25,288.80/37,933.20 = 16,431.45/x
  3. Step 3: Cross multiply
    25,288.80x = 37,933.20 × 16,431.45
  4. Step 4: Simplify right side
    25,288.80x = 623,297,479.14
  5. Step 5: Solve for x
    x = 623,297,479.14/25,288.80
  6. Step 6: Final answer
    x = 24,647.18

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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.