Home / 37,373.97-56,070.42-12,420.99

Finding the Fourth Proportional to 37,373.97, 56,070.42 and 12,420.99

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Solution

The fourth proportional to 37,373.97, 56,070.42 and 12,420.99 is: 18,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,373.97 : 56,070.42 = 12,420.99 : x
  2. Step 2: Convert to fraction form
    37,373.97/56,070.42 = 12,420.99/x
  3. Step 3: Cross multiply
    37,373.97x = 56,070.42 × 12,420.99
  4. Step 4: Simplify right side
    37,373.97x = 696,450,126.12
  5. Step 5: Solve for x
    x = 696,450,126.12/37,373.97
  6. Step 6: Final answer
    x = 18,634.63

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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.