Home / 38,266.40-57,383.40-11,964.08

Finding the Fourth Proportional to 38,266.40, 57,383.40 and 11,964.08

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Solution

The fourth proportional to 38,266.40, 57,383.40 and 11,964.08 is: 17,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266.40 : 57,383.40 = 11,964.08 : x
  2. Step 2: Convert to fraction form
    38,266.40/57,383.40 = 11,964.08/x
  3. Step 3: Cross multiply
    38,266.40x = 57,383.40 × 11,964.08
  4. Step 4: Simplify right side
    38,266.40x = 686,539,588.27
  5. Step 5: Solve for x
    x = 686,539,588.27/38,266.40
  6. Step 6: Final answer
    x = 17,941.06

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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.