Home / 19,281.88-26,608.80-12,214.10

Finding the Fourth Proportional to 19,281.88, 26,608.80 and 12,214.10

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Solution

The fourth proportional to 19,281.88, 26,608.80 and 12,214.10 is: 16,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.88 : 26,608.80 = 12,214.10 : x
  2. Step 2: Convert to fraction form
    19,281.88/26,608.80 = 12,214.10/x
  3. Step 3: Cross multiply
    19,281.88x = 26,608.80 × 12,214.10
  4. Step 4: Simplify right side
    19,281.88x = 325,002,544.08
  5. Step 5: Solve for x
    x = 325,002,544.08/19,281.88
  6. Step 6: Final answer
    x = 16,855.33

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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.