Home / 17,171.28-23,718.60-14,199.12

Finding the Fourth Proportional to 17,171.28, 23,718.60 and 14,199.12

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Solution

The fourth proportional to 17,171.28, 23,718.60 and 14,199.12 is: 19,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171.28 : 23,718.60 = 14,199.12 : x
  2. Step 2: Convert to fraction form
    17,171.28/23,718.60 = 14,199.12/x
  3. Step 3: Cross multiply
    17,171.28x = 23,718.60 × 14,199.12
  4. Step 4: Simplify right side
    17,171.28x = 336,783,247.63
  5. Step 5: Solve for x
    x = 336,783,247.63/17,171.28
  6. Step 6: Final answer
    x = 19,613.17

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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.