Home / 14,153.96-19,514.10-9,109.16

Finding the Fourth Proportional to 14,153.96, 19,514.10 and 9,109.16

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Solution

The fourth proportional to 14,153.96, 19,514.10 and 9,109.16 is: 12,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.96 : 19,514.10 = 9,109.16 : x
  2. Step 2: Convert to fraction form
    14,153.96/19,514.10 = 9,109.16/x
  3. Step 3: Cross multiply
    14,153.96x = 19,514.10 × 9,109.16
  4. Step 4: Simplify right side
    14,153.96x = 177,757,059.16
  5. Step 5: Solve for x
    x = 177,757,059.16/14,153.96
  6. Step 6: Final answer
    x = 12,558.82

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Half scale
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Double scale
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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.