Home / 19,300.70-28,952.40-8,206.14

Finding the Fourth Proportional to 19,300.70, 28,952.40 and 8,206.14

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Solution

The fourth proportional to 19,300.70, 28,952.40 and 8,206.14 is: 12,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.70 : 28,952.40 = 8,206.14 : x
  2. Step 2: Convert to fraction form
    19,300.70/28,952.40 = 8,206.14/x
  3. Step 3: Cross multiply
    19,300.70x = 28,952.40 × 8,206.14
  4. Step 4: Simplify right side
    19,300.70x = 237,587,447.74
  5. Step 5: Solve for x
    x = 237,587,447.74/19,300.70
  6. Step 6: Final answer
    x = 12,309.78

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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.