Home / 14,155.92-19,539.72-8,568.72

Finding the Fourth Proportional to 14,155.92, 19,539.72 and 8,568.72

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Solution

The fourth proportional to 14,155.92, 19,539.72 and 8,568.72 is: 11,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.92 : 19,539.72 = 8,568.72 : x
  2. Step 2: Convert to fraction form
    14,155.92/19,539.72 = 8,568.72/x
  3. Step 3: Cross multiply
    14,155.92x = 19,539.72 × 8,568.72
  4. Step 4: Simplify right side
    14,155.92x = 167,430,389.56
  5. Step 5: Solve for x
    x = 167,430,389.56/14,155.92
  6. Step 6: Final answer
    x = 11,827.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.