Home / 13,169.47-18,173.52-7,792.19

Finding the Fourth Proportional to 13,169.47, 18,173.52 and 7,792.19

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Solution

The fourth proportional to 13,169.47, 18,173.52 and 7,792.19 is: 10,753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.47 : 18,173.52 = 7,792.19 : x
  2. Step 2: Convert to fraction form
    13,169.47/18,173.52 = 7,792.19/x
  3. Step 3: Cross multiply
    13,169.47x = 18,173.52 × 7,792.19
  4. Step 4: Simplify right side
    13,169.47x = 141,611,390.98
  5. Step 5: Solve for x
    x = 141,611,390.98/13,169.47
  6. Step 6: Final answer
    x = 10,753.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.