Home / 37,378.07-56,077.19-12,422.15

Finding the Fourth Proportional to 37,378.07, 56,077.19 and 12,422.15

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Solution

The fourth proportional to 37,378.07, 56,077.19 and 12,422.15 is: 18,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.07 : 56,077.19 = 12,422.15 : x
  2. Step 2: Convert to fraction form
    37,378.07/56,077.19 = 12,422.15/x
  3. Step 3: Cross multiply
    37,378.07x = 56,077.19 × 12,422.15
  4. Step 4: Simplify right side
    37,378.07x = 696,599,203.65
  5. Step 5: Solve for x
    x = 696,599,203.65/37,378.07
  6. Step 6: Final answer
    x = 18,636.57

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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.