Home / 19,309.18-28,966.14-6,826.62

Finding the Fourth Proportional to 19,309.18, 28,966.14 and 6,826.62

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Solution

The fourth proportional to 19,309.18, 28,966.14 and 6,826.62 is: 10,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.18 : 28,966.14 = 6,826.62 : x
  2. Step 2: Convert to fraction form
    19,309.18/28,966.14 = 6,826.62/x
  3. Step 3: Cross multiply
    19,309.18x = 28,966.14 × 6,826.62
  4. Step 4: Simplify right side
    19,309.18x = 197,740,830.65
  5. Step 5: Solve for x
    x = 197,740,830.65/19,309.18
  6. Step 6: Final answer
    x = 10,240.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.