Home / 30,653.97-42,302.70-17,225.25

Finding the Fourth Proportional to 30,653.97, 42,302.70 and 17,225.25

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Solution

The fourth proportional to 30,653.97, 42,302.70 and 17,225.25 is: 23,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.97 : 42,302.70 = 17,225.25 : x
  2. Step 2: Convert to fraction form
    30,653.97/42,302.70 = 17,225.25/x
  3. Step 3: Cross multiply
    30,653.97x = 42,302.70 × 17,225.25
  4. Step 4: Simplify right side
    30,653.97x = 728,674,583.18
  5. Step 5: Solve for x
    x = 728,674,583.18/30,653.97
  6. Step 6: Final answer
    x = 23,770.97

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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.