Home / 14,045.63-21,071.46-4,185.69

Finding the Fourth Proportional to 14,045.63, 21,071.46 and 4,185.69

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Solution

The fourth proportional to 14,045.63, 21,071.46 and 4,185.69 is: 6,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.63 : 21,071.46 = 4,185.69 : x
  2. Step 2: Convert to fraction form
    14,045.63/21,071.46 = 4,185.69/x
  3. Step 3: Cross multiply
    14,045.63x = 21,071.46 × 4,185.69
  4. Step 4: Simplify right side
    14,045.63x = 88,198,599.41
  5. Step 5: Solve for x
    x = 88,198,599.41/14,045.63
  6. Step 6: Final answer
    x = 6,279.44

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Half scale
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Double scale
Find fourth proportional to 14,046.63, 21,072.96 and 4,186.69
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.