Home / 14,528.52-19,909.71-13,128.84

Finding the Fourth Proportional to 14,528.52, 19,909.71 and 13,128.84

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Solution

The fourth proportional to 14,528.52, 19,909.71 and 13,128.84 is: 17,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.52 : 19,909.71 = 13,128.84 : x
  2. Step 2: Convert to fraction form
    14,528.52/19,909.71 = 13,128.84/x
  3. Step 3: Cross multiply
    14,528.52x = 19,909.71 × 13,128.84
  4. Step 4: Simplify right side
    14,528.52x = 261,391,397.04
  5. Step 5: Solve for x
    x = 261,391,397.04/14,528.52
  6. Step 6: Final answer
    x = 17,991.61

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.