Home / 37,812.85-56,705.80-12,507.74

Finding the Fourth Proportional to 37,812.85, 56,705.80 and 12,507.74

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Solution

The fourth proportional to 37,812.85, 56,705.80 and 12,507.74 is: 18,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,812.85 : 56,705.80 = 12,507.74 : x
  2. Step 2: Convert to fraction form
    37,812.85/56,705.80 = 12,507.74/x
  3. Step 3: Cross multiply
    37,812.85x = 56,705.80 × 12,507.74
  4. Step 4: Simplify right side
    37,812.85x = 709,261,448.50
  5. Step 5: Solve for x
    x = 709,261,448.50/37,812.85
  6. Step 6: Final answer
    x = 18,757.15

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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.