Home / 37,406.20-56,106.06-12,438.22

Finding the Fourth Proportional to 37,406.20, 56,106.06 and 12,438.22

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Solution

The fourth proportional to 37,406.20, 56,106.06 and 12,438.22 is: 18,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,406.20 : 56,106.06 = 12,438.22 : x
  2. Step 2: Convert to fraction form
    37,406.20/56,106.06 = 12,438.22/x
  3. Step 3: Cross multiply
    37,406.20x = 56,106.06 × 12,438.22
  4. Step 4: Simplify right side
    37,406.20x = 697,859,517.61
  5. Step 5: Solve for x
    x = 697,859,517.61/37,406.20
  6. Step 6: Final answer
    x = 18,656.25

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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.