Home / 25,733.20-38,601.60-10,148.80

Finding the Fourth Proportional to 25,733.20, 38,601.60 and 10,148.80

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Solution

The fourth proportional to 25,733.20, 38,601.60 and 10,148.80 is: 15,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,733.20 : 38,601.60 = 10,148.80 : x
  2. Step 2: Convert to fraction form
    25,733.20/38,601.60 = 10,148.80/x
  3. Step 3: Cross multiply
    25,733.20x = 38,601.60 × 10,148.80
  4. Step 4: Simplify right side
    25,733.20x = 391,759,918.08
  5. Step 5: Solve for x
    x = 391,759,918.08/25,733.20
  6. Step 6: Final answer
    x = 15,223.91

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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.