Home / 14,115.63-21,173.44-4,881.63

Finding the Fourth Proportional to 14,115.63, 21,173.44 and 4,881.63

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Solution

The fourth proportional to 14,115.63, 21,173.44 and 4,881.63 is: 7,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.63 : 21,173.44 = 4,881.63 : x
  2. Step 2: Convert to fraction form
    14,115.63/21,173.44 = 4,881.63/x
  3. Step 3: Cross multiply
    14,115.63x = 21,173.44 × 4,881.63
  4. Step 4: Simplify right side
    14,115.63x = 103,360,899.91
  5. Step 5: Solve for x
    x = 103,360,899.91/14,115.63
  6. Step 6: Final answer
    x = 7,322.44

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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.