Home / 37,454.06-56,166.78-12,489.32

Finding the Fourth Proportional to 37,454.06, 56,166.78 and 12,489.32

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Solution

The fourth proportional to 37,454.06, 56,166.78 and 12,489.32 is: 18,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,454.06 : 56,166.78 = 12,489.32 : x
  2. Step 2: Convert to fraction form
    37,454.06/56,166.78 = 12,489.32/x
  3. Step 3: Cross multiply
    37,454.06x = 56,166.78 × 12,489.32
  4. Step 4: Simplify right side
    37,454.06x = 701,484,888.79
  5. Step 5: Solve for x
    x = 701,484,888.79/37,454.06
  6. Step 6: Final answer
    x = 18,729.21

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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.