Home / 14,045.15-19,379.98-8,301.80

Finding the Fourth Proportional to 14,045.15, 19,379.98 and 8,301.80

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Solution

The fourth proportional to 14,045.15, 19,379.98 and 8,301.80 is: 11,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.15 : 19,379.98 = 8,301.80 : x
  2. Step 2: Convert to fraction form
    14,045.15/19,379.98 = 8,301.80/x
  3. Step 3: Cross multiply
    14,045.15x = 19,379.98 × 8,301.80
  4. Step 4: Simplify right side
    14,045.15x = 160,888,717.96
  5. Step 5: Solve for x
    x = 160,888,717.96/14,045.15
  6. Step 6: Final answer
    x = 11,455.11

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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.