Home / 19,873.59-27,396.66-13,886.67

Finding the Fourth Proportional to 19,873.59, 27,396.66 and 13,886.67

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Solution

The fourth proportional to 19,873.59, 27,396.66 and 13,886.67 is: 19,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.59 : 27,396.66 = 13,886.67 : x
  2. Step 2: Convert to fraction form
    19,873.59/27,396.66 = 13,886.67/x
  3. Step 3: Cross multiply
    19,873.59x = 27,396.66 × 13,886.67
  4. Step 4: Simplify right side
    19,873.59x = 380,448,531.33
  5. Step 5: Solve for x
    x = 380,448,531.33/19,873.59
  6. Step 6: Final answer
    x = 19,143.43

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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.