Home / 19,538.88-26,960.76-11,038.74

Finding the Fourth Proportional to 19,538.88, 26,960.76 and 11,038.74

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Solution

The fourth proportional to 19,538.88, 26,960.76 and 11,038.74 is: 15,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.88 : 26,960.76 = 11,038.74 : x
  2. Step 2: Convert to fraction form
    19,538.88/26,960.76 = 11,038.74/x
  3. Step 3: Cross multiply
    19,538.88x = 26,960.76 × 11,038.74
  4. Step 4: Simplify right side
    19,538.88x = 297,612,819.84
  5. Step 5: Solve for x
    x = 297,612,819.84/19,538.88
  6. Step 6: Final answer
    x = 15,231.83

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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.