Home / 19,150.09-26,430.92-12,426.28

Finding the Fourth Proportional to 19,150.09, 26,430.92 and 12,426.28

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Solution

The fourth proportional to 19,150.09, 26,430.92 and 12,426.28 is: 17,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.09 : 26,430.92 = 12,426.28 : x
  2. Step 2: Convert to fraction form
    19,150.09/26,430.92 = 12,426.28/x
  3. Step 3: Cross multiply
    19,150.09x = 26,430.92 × 12,426.28
  4. Step 4: Simplify right side
    19,150.09x = 328,437,950.45
  5. Step 5: Solve for x
    x = 328,437,950.45/19,150.09
  6. Step 6: Final answer
    x = 17,150.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.