Home / 14,080.92-19,431.56-7,707.63

Finding the Fourth Proportional to 14,080.92, 19,431.56 and 7,707.63

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Solution

The fourth proportional to 14,080.92, 19,431.56 and 7,707.63 is: 10,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.92 : 19,431.56 = 7,707.63 : x
  2. Step 2: Convert to fraction form
    14,080.92/19,431.56 = 7,707.63/x
  3. Step 3: Cross multiply
    14,080.92x = 19,431.56 × 7,707.63
  4. Step 4: Simplify right side
    14,080.92x = 149,771,236.26
  5. Step 5: Solve for x
    x = 149,771,236.26/14,080.92
  6. Step 6: Final answer
    x = 10,636.47

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