Home / 15,507.48-21,401.10-8,792.04

Finding the Fourth Proportional to 15,507.48, 21,401.10 and 8,792.04

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Solution

The fourth proportional to 15,507.48, 21,401.10 and 8,792.04 is: 12,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507.48 : 21,401.10 = 8,792.04 : x
  2. Step 2: Convert to fraction form
    15,507.48/21,401.10 = 8,792.04/x
  3. Step 3: Cross multiply
    15,507.48x = 21,401.10 × 8,792.04
  4. Step 4: Simplify right side
    15,507.48x = 188,159,327.24
  5. Step 5: Solve for x
    x = 188,159,327.24/15,507.48
  6. Step 6: Final answer
    x = 12,133.46

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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.