Home / 25,311.88-37,970.86-10,530.80

Finding the Fourth Proportional to 25,311.88, 37,970.86 and 10,530.80

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Solution

The fourth proportional to 25,311.88, 37,970.86 and 10,530.80 is: 15,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,311.88 : 37,970.86 = 10,530.80 : x
  2. Step 2: Convert to fraction form
    25,311.88/37,970.86 = 10,530.80/x
  3. Step 3: Cross multiply
    25,311.88x = 37,970.86 × 10,530.80
  4. Step 4: Simplify right side
    25,311.88x = 399,863,532.49
  5. Step 5: Solve for x
    x = 399,863,532.49/25,311.88
  6. Step 6: Final answer
    x = 15,797.46

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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.