Home / 18,117.30-24,975.62-12,723.33

Finding the Fourth Proportional to 18,117.30, 24,975.62 and 12,723.33

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Solution

The fourth proportional to 18,117.30, 24,975.62 and 12,723.33 is: 17,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.30 : 24,975.62 = 12,723.33 : x
  2. Step 2: Convert to fraction form
    18,117.30/24,975.62 = 12,723.33/x
  3. Step 3: Cross multiply
    18,117.30x = 24,975.62 × 12,723.33
  4. Step 4: Simplify right side
    18,117.30x = 317,773,064.05
  5. Step 5: Solve for x
    x = 317,773,064.05/18,117.30
  6. Step 6: Final answer
    x = 17,539.75

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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.