Home / 14,146.06-21,217.47-3,758.62

Finding the Fourth Proportional to 14,146.06, 21,217.47 and 3,758.62

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Solution

The fourth proportional to 14,146.06, 21,217.47 and 3,758.62 is: 5,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.06 : 21,217.47 = 3,758.62 : x
  2. Step 2: Convert to fraction form
    14,146.06/21,217.47 = 3,758.62/x
  3. Step 3: Cross multiply
    14,146.06x = 21,217.47 × 3,758.62
  4. Step 4: Simplify right side
    14,146.06x = 79,748,407.09
  5. Step 5: Solve for x
    x = 79,748,407.09/14,146.06
  6. Step 6: Final answer
    x = 5,637.50

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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.