Home / 19,041.85-28,568.61-8,520.72

Finding the Fourth Proportional to 19,041.85, 28,568.61 and 8,520.72

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Solution

The fourth proportional to 19,041.85, 28,568.61 and 8,520.72 is: 12,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,041.85 : 28,568.61 = 8,520.72 : x
  2. Step 2: Convert to fraction form
    19,041.85/28,568.61 = 8,520.72/x
  3. Step 3: Cross multiply
    19,041.85x = 28,568.61 × 8,520.72
  4. Step 4: Simplify right side
    19,041.85x = 243,425,233.73
  5. Step 5: Solve for x
    x = 243,425,233.73/19,041.85
  6. Step 6: Final answer
    x = 12,783.70

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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.