Home / 19,661.30-29,487.80-6,335.50

Finding the Fourth Proportional to 19,661.30, 29,487.80 and 6,335.50

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Solution

The fourth proportional to 19,661.30, 29,487.80 and 6,335.50 is: 9,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.30 : 29,487.80 = 6,335.50 : x
  2. Step 2: Convert to fraction form
    19,661.30/29,487.80 = 6,335.50/x
  3. Step 3: Cross multiply
    19,661.30x = 29,487.80 × 6,335.50
  4. Step 4: Simplify right side
    19,661.30x = 186,819,956.90
  5. Step 5: Solve for x
    x = 186,819,956.90/19,661.30
  6. Step 6: Final answer
    x = 9,501.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.