Home / 25,152.80-37,729.20-15,821.60

Finding the Fourth Proportional to 25,152.80, 37,729.20 and 15,821.60

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Solution

The fourth proportional to 25,152.80, 37,729.20 and 15,821.60 is: 23,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.80 : 37,729.20 = 15,821.60 : x
  2. Step 2: Convert to fraction form
    25,152.80/37,729.20 = 15,821.60/x
  3. Step 3: Cross multiply
    25,152.80x = 37,729.20 × 15,821.60
  4. Step 4: Simplify right side
    25,152.80x = 596,936,310.72
  5. Step 5: Solve for x
    x = 596,936,310.72/25,152.80
  6. Step 6: Final answer
    x = 23,732.40

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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.