Home / 21,604.05-29,827.35-17,634.60

Finding the Fourth Proportional to 21,604.05, 29,827.35 and 17,634.60

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Solution

The fourth proportional to 21,604.05, 29,827.35 and 17,634.60 is: 24,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.05 : 29,827.35 = 17,634.60 : x
  2. Step 2: Convert to fraction form
    21,604.05/29,827.35 = 17,634.60/x
  3. Step 3: Cross multiply
    21,604.05x = 29,827.35 × 17,634.60
  4. Step 4: Simplify right side
    21,604.05x = 525,993,386.31
  5. Step 5: Solve for x
    x = 525,993,386.31/21,604.05
  6. Step 6: Final answer
    x = 24,346.98

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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.