Home / 13,826.69-19,065.75-9,342.66

Finding the Fourth Proportional to 13,826.69, 19,065.75 and 9,342.66

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Solution

The fourth proportional to 13,826.69, 19,065.75 and 9,342.66 is: 12,882.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.69 : 19,065.75 = 9,342.66 : x
  2. Step 2: Convert to fraction form
    13,826.69/19,065.75 = 9,342.66/x
  3. Step 3: Cross multiply
    13,826.69x = 19,065.75 × 9,342.66
  4. Step 4: Simplify right side
    13,826.69x = 178,124,819.90
  5. Step 5: Solve for x
    x = 178,124,819.90/13,826.69
  6. Step 6: Final answer
    x = 12,882.68

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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.