Home / 12,764.48-19,146.72-4,000.08

Finding the Fourth Proportional to 12,764.48, 19,146.72 and 4,000.08

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Solution

The fourth proportional to 12,764.48, 19,146.72 and 4,000.08 is: 6,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.48 : 19,146.72 = 4,000.08 : x
  2. Step 2: Convert to fraction form
    12,764.48/19,146.72 = 4,000.08/x
  3. Step 3: Cross multiply
    12,764.48x = 19,146.72 × 4,000.08
  4. Step 4: Simplify right side
    12,764.48x = 76,588,411.74
  5. Step 5: Solve for x
    x = 76,588,411.74/12,764.48
  6. Step 6: Final answer
    x = 6,000.12

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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.