Home / 19,586.27-29,379.11-7,899.19

Finding the Fourth Proportional to 19,586.27, 29,379.11 and 7,899.19

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Solution

The fourth proportional to 19,586.27, 29,379.11 and 7,899.19 is: 11,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.27 : 29,379.11 = 7,899.19 : x
  2. Step 2: Convert to fraction form
    19,586.27/29,379.11 = 7,899.19/x
  3. Step 3: Cross multiply
    19,586.27x = 29,379.11 × 7,899.19
  4. Step 4: Simplify right side
    19,586.27x = 232,071,058.98
  5. Step 5: Solve for x
    x = 232,071,058.98/19,586.27
  6. Step 6: Final answer
    x = 11,848.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.