Home / 13,335.52-18,421.72-9,628.96

Finding the Fourth Proportional to 13,335.52, 18,421.72 and 9,628.96

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Solution

The fourth proportional to 13,335.52, 18,421.72 and 9,628.96 is: 13,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.52 : 18,421.72 = 9,628.96 : x
  2. Step 2: Convert to fraction form
    13,335.52/18,421.72 = 9,628.96/x
  3. Step 3: Cross multiply
    13,335.52x = 18,421.72 × 9,628.96
  4. Step 4: Simplify right side
    13,335.52x = 177,382,005.01
  5. Step 5: Solve for x
    x = 177,382,005.01/13,335.52
  6. Step 6: Final answer
    x = 13,301.47

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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.