Home / 13,876.50-19,149.64-7,588.86

Finding the Fourth Proportional to 13,876.50, 19,149.64 and 7,588.86

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Solution

The fourth proportional to 13,876.50, 19,149.64 and 7,588.86 is: 10,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.50 : 19,149.64 = 7,588.86 : x
  2. Step 2: Convert to fraction form
    13,876.50/19,149.64 = 7,588.86/x
  3. Step 3: Cross multiply
    13,876.50x = 19,149.64 × 7,588.86
  4. Step 4: Simplify right side
    13,876.50x = 145,323,937.01
  5. Step 5: Solve for x
    x = 145,323,937.01/13,876.50
  6. Step 6: Final answer
    x = 10,472.67

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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.