Home / 37,313.76-55,970.64-12,347.12

Finding the Fourth Proportional to 37,313.76, 55,970.64 and 12,347.12

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Solution

The fourth proportional to 37,313.76, 55,970.64 and 12,347.12 is: 18,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,313.76 : 55,970.64 = 12,347.12 : x
  2. Step 2: Convert to fraction form
    37,313.76/55,970.64 = 12,347.12/x
  3. Step 3: Cross multiply
    37,313.76x = 55,970.64 × 12,347.12
  4. Step 4: Simplify right side
    37,313.76x = 691,076,208.56
  5. Step 5: Solve for x
    x = 691,076,208.56/37,313.76
  6. Step 6: Final answer
    x = 18,520.68

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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.