Home / 14,091.90-19,446.85-8,123.98

Finding the Fourth Proportional to 14,091.90, 19,446.85 and 8,123.98

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Solution

The fourth proportional to 14,091.90, 19,446.85 and 8,123.98 is: 11,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.90 : 19,446.85 = 8,123.98 : x
  2. Step 2: Convert to fraction form
    14,091.90/19,446.85 = 8,123.98/x
  3. Step 3: Cross multiply
    14,091.90x = 19,446.85 × 8,123.98
  4. Step 4: Simplify right side
    14,091.90x = 157,985,751.54
  5. Step 5: Solve for x
    x = 157,985,751.54/14,091.90
  6. Step 6: Final answer
    x = 11,211.10

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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.