Home / 38,923.93-58,385.87-12,628.67

Finding the Fourth Proportional to 38,923.93, 58,385.87 and 12,628.67

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Solution

The fourth proportional to 38,923.93, 58,385.87 and 12,628.67 is: 18,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,923.93 : 58,385.87 = 12,628.67 : x
  2. Step 2: Convert to fraction form
    38,923.93/58,385.87 = 12,628.67/x
  3. Step 3: Cross multiply
    38,923.93x = 58,385.87 × 12,628.67
  4. Step 4: Simplify right side
    38,923.93x = 737,335,821.75
  5. Step 5: Solve for x
    x = 737,335,821.75/38,923.93
  6. Step 6: Final answer
    x = 18,943.00

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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.