Home / 12,867.98-19,258.14-10,790.33

Finding the Fourth Proportional to 12,867.98, 19,258.14 and 10,790.33

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Solution

The fourth proportional to 12,867.98, 19,258.14 and 10,790.33 is: 16,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.98 : 19,258.14 = 10,790.33 : x
  2. Step 2: Convert to fraction form
    12,867.98/19,258.14 = 10,790.33/x
  3. Step 3: Cross multiply
    12,867.98x = 19,258.14 × 10,790.33
  4. Step 4: Simplify right side
    12,867.98x = 207,801,685.79
  5. Step 5: Solve for x
    x = 207,801,685.79/12,867.98
  6. Step 6: Final answer
    x = 16,148.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.