Home / 19,403.99-26,779.73-10,791.03

Finding the Fourth Proportional to 19,403.99, 26,779.73 and 10,791.03

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Solution

The fourth proportional to 19,403.99, 26,779.73 and 10,791.03 is: 14,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.99 : 26,779.73 = 10,791.03 : x
  2. Step 2: Convert to fraction form
    19,403.99/26,779.73 = 10,791.03/x
  3. Step 3: Cross multiply
    19,403.99x = 26,779.73 × 10,791.03
  4. Step 4: Simplify right side
    19,403.99x = 288,980,815.87
  5. Step 5: Solve for x
    x = 288,980,815.87/19,403.99
  6. Step 6: Final answer
    x = 14,892.85

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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.