Home / 30,196.40-41,654.66-19,274.15

Finding the Fourth Proportional to 30,196.40, 41,654.66 and 19,274.15

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Solution

The fourth proportional to 30,196.40, 41,654.66 and 19,274.15 is: 26,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196.40 : 41,654.66 = 19,274.15 : x
  2. Step 2: Convert to fraction form
    30,196.40/41,654.66 = 19,274.15/x
  3. Step 3: Cross multiply
    30,196.40x = 41,654.66 × 19,274.15
  4. Step 4: Simplify right side
    30,196.40x = 802,858,172.80
  5. Step 5: Solve for x
    x = 802,858,172.80/30,196.40
  6. Step 6: Final answer
    x = 26,587.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.