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Finding the Fourth Proportional to 17,169.18, 23,687.19 and 14,038.62

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Solution

The fourth proportional to 17,169.18, 23,687.19 and 14,038.62 is: 19,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,169.18 : 23,687.19 = 14,038.62 : x
  2. Step 2: Convert to fraction form
    17,169.18/23,687.19 = 14,038.62/x
  3. Step 3: Cross multiply
    17,169.18x = 23,687.19 × 14,038.62
  4. Step 4: Simplify right side
    17,169.18x = 332,535,459.28
  5. Step 5: Solve for x
    x = 332,535,459.28/17,169.18
  6. Step 6: Final answer
    x = 19,368.16

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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.