Home / 25,235.80-37,853.70-10,439.80

Finding the Fourth Proportional to 25,235.80, 37,853.70 and 10,439.80

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Solution

The fourth proportional to 25,235.80, 37,853.70 and 10,439.80 is: 15,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.80 : 37,853.70 = 10,439.80 : x
  2. Step 2: Convert to fraction form
    25,235.80/37,853.70 = 10,439.80/x
  3. Step 3: Cross multiply
    25,235.80x = 37,853.70 × 10,439.80
  4. Step 4: Simplify right side
    25,235.80x = 395,185,057.26
  5. Step 5: Solve for x
    x = 395,185,057.26/25,235.80
  6. Step 6: Final answer
    x = 15,659.70

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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.