Home / 36,858.48-55,285.80-11,898.06

Finding the Fourth Proportional to 36,858.48, 55,285.80 and 11,898.06

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Solution

The fourth proportional to 36,858.48, 55,285.80 and 11,898.06 is: 17,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,858.48 : 55,285.80 = 11,898.06 : x
  2. Step 2: Convert to fraction form
    36,858.48/55,285.80 = 11,898.06/x
  3. Step 3: Cross multiply
    36,858.48x = 55,285.80 × 11,898.06
  4. Step 4: Simplify right side
    36,858.48x = 657,793,765.55
  5. Step 5: Solve for x
    x = 657,793,765.55/36,858.48
  6. Step 6: Final answer
    x = 17,846.47

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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.