Home / 14,098.69-19,456.11-7,811.05

Finding the Fourth Proportional to 14,098.69, 19,456.11 and 7,811.05

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Solution

The fourth proportional to 14,098.69, 19,456.11 and 7,811.05 is: 10,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.69 : 19,456.11 = 7,811.05 : x
  2. Step 2: Convert to fraction form
    14,098.69/19,456.11 = 7,811.05/x
  3. Step 3: Cross multiply
    14,098.69x = 19,456.11 × 7,811.05
  4. Step 4: Simplify right side
    14,098.69x = 151,972,648.02
  5. Step 5: Solve for x
    x = 151,972,648.02/14,098.69
  6. Step 6: Final answer
    x = 10,779.20

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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.