Home / 17,390.84-24,008.66-13,605.96

Finding the Fourth Proportional to 17,390.84, 24,008.66 and 13,605.96

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Solution

The fourth proportional to 17,390.84, 24,008.66 and 13,605.96 is: 18,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.84 : 24,008.66 = 13,605.96 : x
  2. Step 2: Convert to fraction form
    17,390.84/24,008.66 = 13,605.96/x
  3. Step 3: Cross multiply
    17,390.84x = 24,008.66 × 13,605.96
  4. Step 4: Simplify right side
    17,390.84x = 326,660,940.64
  5. Step 5: Solve for x
    x = 326,660,940.64/17,390.84
  6. Step 6: Final answer
    x = 18,783.51

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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.