Home / 13,156.48-19,695.30-9,696.16

Finding the Fourth Proportional to 13,156.48, 19,695.30 and 9,696.16

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Solution

The fourth proportional to 13,156.48, 19,695.30 and 9,696.16 is: 14,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.48 : 19,695.30 = 9,696.16 : x
  2. Step 2: Convert to fraction form
    13,156.48/19,695.30 = 9,696.16/x
  3. Step 3: Cross multiply
    13,156.48x = 19,695.30 × 9,696.16
  4. Step 4: Simplify right side
    13,156.48x = 190,968,780.05
  5. Step 5: Solve for x
    x = 190,968,780.05/13,156.48
  6. Step 6: Final answer
    x = 14,515.19

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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.