Home / 16,312.32-22,489.58-11,771.19

Finding the Fourth Proportional to 16,312.32, 22,489.58 and 11,771.19

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Solution

The fourth proportional to 16,312.32, 22,489.58 and 11,771.19 is: 16,228.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.32 : 22,489.58 = 11,771.19 : x
  2. Step 2: Convert to fraction form
    16,312.32/22,489.58 = 11,771.19/x
  3. Step 3: Cross multiply
    16,312.32x = 22,489.58 × 11,771.19
  4. Step 4: Simplify right side
    16,312.32x = 264,729,148.63
  5. Step 5: Solve for x
    x = 264,729,148.63/16,312.32
  6. Step 6: Final answer
    x = 16,228.79

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.