Home / 16,890.10-23,314.17-11,602.42

Finding the Fourth Proportional to 16,890.10, 23,314.17 and 11,602.42

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Solution

The fourth proportional to 16,890.10, 23,314.17 and 11,602.42 is: 16,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.10 : 23,314.17 = 11,602.42 : x
  2. Step 2: Convert to fraction form
    16,890.10/23,314.17 = 11,602.42/x
  3. Step 3: Cross multiply
    16,890.10x = 23,314.17 × 11,602.42
  4. Step 4: Simplify right side
    16,890.10x = 270,500,792.29
  5. Step 5: Solve for x
    x = 270,500,792.29/16,890.10
  6. Step 6: Final answer
    x = 16,015.35

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Double scale
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Similar ratio
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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.