Home / 19,170.72-26,455.20-10,672.56

Finding the Fourth Proportional to 19,170.72, 26,455.20 and 10,672.56

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Solution

The fourth proportional to 19,170.72, 26,455.20 and 10,672.56 is: 14,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.72 : 26,455.20 = 10,672.56 : x
  2. Step 2: Convert to fraction form
    19,170.72/26,455.20 = 10,672.56/x
  3. Step 3: Cross multiply
    19,170.72x = 26,455.20 × 10,672.56
  4. Step 4: Simplify right side
    19,170.72x = 282,344,709.31
  5. Step 5: Solve for x
    x = 282,344,709.31/19,170.72
  6. Step 6: Final answer
    x = 14,727.91

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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.