Home / 19,043.19-26,282.07-11,493.78

Finding the Fourth Proportional to 19,043.19, 26,282.07 and 11,493.78

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Solution

The fourth proportional to 19,043.19, 26,282.07 and 11,493.78 is: 15,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.19 : 26,282.07 = 11,493.78 : x
  2. Step 2: Convert to fraction form
    19,043.19/26,282.07 = 11,493.78/x
  3. Step 3: Cross multiply
    19,043.19x = 26,282.07 × 11,493.78
  4. Step 4: Simplify right side
    19,043.19x = 302,080,330.52
  5. Step 5: Solve for x
    x = 302,080,330.52/19,043.19
  6. Step 6: Final answer
    x = 15,862.91

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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.