Home / 38,150.50-57,225.74-11,855.26

Finding the Fourth Proportional to 38,150.50, 57,225.74 and 11,855.26

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Solution

The fourth proportional to 38,150.50, 57,225.74 and 11,855.26 is: 17,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.50 : 57,225.74 = 11,855.26 : x
  2. Step 2: Convert to fraction form
    38,150.50/57,225.74 = 11,855.26/x
  3. Step 3: Cross multiply
    38,150.50x = 57,225.74 × 11,855.26
  4. Step 4: Simplify right side
    38,150.50x = 678,426,026.39
  5. Step 5: Solve for x
    x = 678,426,026.39/38,150.50
  6. Step 6: Final answer
    x = 17,782.89

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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.