Home / 14,682.38-20,261.13-8,309.18

Finding the Fourth Proportional to 14,682.38, 20,261.13 and 8,309.18

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Solution

The fourth proportional to 14,682.38, 20,261.13 and 8,309.18 is: 11,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.38 : 20,261.13 = 8,309.18 : x
  2. Step 2: Convert to fraction form
    14,682.38/20,261.13 = 8,309.18/x
  3. Step 3: Cross multiply
    14,682.38x = 20,261.13 × 8,309.18
  4. Step 4: Simplify right side
    14,682.38x = 168,353,376.17
  5. Step 5: Solve for x
    x = 168,353,376.17/14,682.38
  6. Step 6: Final answer
    x = 11,466.35

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.