Home / 37,980.49-56,969.51-11,326.70

Finding the Fourth Proportional to 37,980.49, 56,969.51 and 11,326.70

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Solution

The fourth proportional to 37,980.49, 56,969.51 and 11,326.70 is: 16,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,980.49 : 56,969.51 = 11,326.70 : x
  2. Step 2: Convert to fraction form
    37,980.49/56,969.51 = 11,326.70/x
  3. Step 3: Cross multiply
    37,980.49x = 56,969.51 × 11,326.70
  4. Step 4: Simplify right side
    37,980.49x = 645,276,314.25
  5. Step 5: Solve for x
    x = 645,276,314.25/37,980.49
  6. Step 6: Final answer
    x = 16,989.68

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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.