Home / 45,013.65-67,520.49-11,733.63

Finding the Fourth Proportional to 45,013.65, 67,520.49 and 11,733.63

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Solution

The fourth proportional to 45,013.65, 67,520.49 and 11,733.63 is: 17,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,013.65 : 67,520.49 = 11,733.63 : x
  2. Step 2: Convert to fraction form
    45,013.65/67,520.49 = 11,733.63/x
  3. Step 3: Cross multiply
    45,013.65x = 67,520.49 × 11,733.63
  4. Step 4: Simplify right side
    45,013.65x = 792,260,447.08
  5. Step 5: Solve for x
    x = 792,260,447.08/45,013.65
  6. Step 6: Final answer
    x = 17,600.45

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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.