Home / 14,149.38-19,524.06-7,861.77

Finding the Fourth Proportional to 14,149.38, 19,524.06 and 7,861.77

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Solution

The fourth proportional to 14,149.38, 19,524.06 and 7,861.77 is: 10,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.38 : 19,524.06 = 7,861.77 : x
  2. Step 2: Convert to fraction form
    14,149.38/19,524.06 = 7,861.77/x
  3. Step 3: Cross multiply
    14,149.38x = 19,524.06 × 7,861.77
  4. Step 4: Simplify right side
    14,149.38x = 153,493,669.19
  5. Step 5: Solve for x
    x = 153,493,669.19/14,149.38
  6. Step 6: Final answer
    x = 10,848.08

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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.