Home / 14,173.02-21,259.53-3,784.50

Finding the Fourth Proportional to 14,173.02, 21,259.53 and 3,784.50

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Solution

The fourth proportional to 14,173.02, 21,259.53 and 3,784.50 is: 5,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.02 : 21,259.53 = 3,784.50 : x
  2. Step 2: Convert to fraction form
    14,173.02/21,259.53 = 3,784.50/x
  3. Step 3: Cross multiply
    14,173.02x = 21,259.53 × 3,784.50
  4. Step 4: Simplify right side
    14,173.02x = 80,456,691.29
  5. Step 5: Solve for x
    x = 80,456,691.29/14,173.02
  6. Step 6: Final answer
    x = 5,676.75

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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.