Home / 37,824.50-56,736.76-13,200.50

Finding the Fourth Proportional to 37,824.50, 56,736.76 and 13,200.50

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Solution

The fourth proportional to 37,824.50, 56,736.76 and 13,200.50 is: 19,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,824.50 : 56,736.76 = 13,200.50 : x
  2. Step 2: Convert to fraction form
    37,824.50/56,736.76 = 13,200.50/x
  3. Step 3: Cross multiply
    37,824.50x = 56,736.76 × 13,200.50
  4. Step 4: Simplify right side
    37,824.50x = 748,953,600.38
  5. Step 5: Solve for x
    x = 748,953,600.38/37,824.50
  6. Step 6: Final answer
    x = 19,800.75

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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.