Home / 36,613.36-54,920.04-13,239.28

Finding the Fourth Proportional to 36,613.36, 54,920.04 and 13,239.28

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Solution

The fourth proportional to 36,613.36, 54,920.04 and 13,239.28 is: 19,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,613.36 : 54,920.04 = 13,239.28 : x
  2. Step 2: Convert to fraction form
    36,613.36/54,920.04 = 13,239.28/x
  3. Step 3: Cross multiply
    36,613.36x = 54,920.04 × 13,239.28
  4. Step 4: Simplify right side
    36,613.36x = 727,101,787.17
  5. Step 5: Solve for x
    x = 727,101,787.17/36,613.36
  6. Step 6: Final answer
    x = 19,858.92

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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.