Home / 13,846.50-19,108.11-7,558.86

Finding the Fourth Proportional to 13,846.50, 19,108.11 and 7,558.86

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Solution

The fourth proportional to 13,846.50, 19,108.11 and 7,558.86 is: 10,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.50 : 19,108.11 = 7,558.86 : x
  2. Step 2: Convert to fraction form
    13,846.50/19,108.11 = 7,558.86/x
  3. Step 3: Cross multiply
    13,846.50x = 19,108.11 × 7,558.86
  4. Step 4: Simplify right side
    13,846.50x = 144,435,528.35
  5. Step 5: Solve for x
    x = 144,435,528.35/13,846.50
  6. Step 6: Final answer
    x = 10,431.19

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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.