Home / 13,092.54-19,638.81-10,779.18

Finding the Fourth Proportional to 13,092.54, 19,638.81 and 10,779.18

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Solution

The fourth proportional to 13,092.54, 19,638.81 and 10,779.18 is: 16,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.54 : 19,638.81 = 10,779.18 : x
  2. Step 2: Convert to fraction form
    13,092.54/19,638.81 = 10,779.18/x
  3. Step 3: Cross multiply
    13,092.54x = 19,638.81 × 10,779.18
  4. Step 4: Simplify right side
    13,092.54x = 211,690,267.98
  5. Step 5: Solve for x
    x = 211,690,267.98/13,092.54
  6. Step 6: Final answer
    x = 16,168.77

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.