Home / 37,578.19-56,368.20-12,619.06

Finding the Fourth Proportional to 37,578.19, 56,368.20 and 12,619.06

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Solution

The fourth proportional to 37,578.19, 56,368.20 and 12,619.06 is: 18,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,578.19 : 56,368.20 = 12,619.06 : x
  2. Step 2: Convert to fraction form
    37,578.19/56,368.20 = 12,619.06/x
  3. Step 3: Cross multiply
    37,578.19x = 56,368.20 × 12,619.06
  4. Step 4: Simplify right side
    37,578.19x = 711,313,697.89
  5. Step 5: Solve for x
    x = 711,313,697.89/37,578.19
  6. Step 6: Final answer
    x = 18,928.90

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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.