Home / 13,072.32-19,572-9,984.96

Finding the Fourth Proportional to 13,072.32, 19,572 and 9,984.96

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Solution

The fourth proportional to 13,072.32, 19,572 and 9,984.96 is: 14,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.32 : 19,572 = 9,984.96 : x
  2. Step 2: Convert to fraction form
    13,072.32/19,572 = 9,984.96/x
  3. Step 3: Cross multiply
    13,072.32x = 19,572 × 9,984.96
  4. Step 4: Simplify right side
    13,072.32x = 195,425,637.12
  5. Step 5: Solve for x
    x = 195,425,637.12/13,072.32
  6. Step 6: Final answer
    x = 14,949.58

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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.