Home / 38,545.94-57,828.06-12,250.70

Finding the Fourth Proportional to 38,545.94, 57,828.06 and 12,250.70

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Solution

The fourth proportional to 38,545.94, 57,828.06 and 12,250.70 is: 18,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,545.94 : 57,828.06 = 12,250.70 : x
  2. Step 2: Convert to fraction form
    38,545.94/57,828.06 = 12,250.70/x
  3. Step 3: Cross multiply
    38,545.94x = 57,828.06 × 12,250.70
  4. Step 4: Simplify right side
    38,545.94x = 708,434,214.64
  5. Step 5: Solve for x
    x = 708,434,214.64/38,545.94
  6. Step 6: Final answer
    x = 18,378.96

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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.