Home / 19,027.30-26,255.90-12,882.51

Finding the Fourth Proportional to 19,027.30, 26,255.90 and 12,882.51

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Solution

The fourth proportional to 19,027.30, 26,255.90 and 12,882.51 is: 17,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.30 : 26,255.90 = 12,882.51 : x
  2. Step 2: Convert to fraction form
    19,027.30/26,255.90 = 12,882.51/x
  3. Step 3: Cross multiply
    19,027.30x = 26,255.90 × 12,882.51
  4. Step 4: Simplify right side
    19,027.30x = 338,241,894.31
  5. Step 5: Solve for x
    x = 338,241,894.31/19,027.30
  6. Step 6: Final answer
    x = 17,776.66

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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.