Home / 38,853.92-58,280.89-12,558.67

Finding the Fourth Proportional to 38,853.92, 58,280.89 and 12,558.67

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Solution

The fourth proportional to 38,853.92, 58,280.89 and 12,558.67 is: 18,838.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,853.92 : 58,280.89 = 12,558.67 : x
  2. Step 2: Convert to fraction form
    38,853.92/58,280.89 = 12,558.67/x
  3. Step 3: Cross multiply
    38,853.92x = 58,280.89 × 12,558.67
  4. Step 4: Simplify right side
    38,853.92x = 731,930,110.62
  5. Step 5: Solve for x
    x = 731,930,110.62/38,853.92
  6. Step 6: Final answer
    x = 18,838.00

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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.