Home / 14,099.42-19,438.76-12,131.12

Finding the Fourth Proportional to 14,099.42, 19,438.76 and 12,131.12

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Solution

The fourth proportional to 14,099.42, 19,438.76 and 12,131.12 is: 16,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.42 : 19,438.76 = 12,131.12 : x
  2. Step 2: Convert to fraction form
    14,099.42/19,438.76 = 12,131.12/x
  3. Step 3: Cross multiply
    14,099.42x = 19,438.76 × 12,131.12
  4. Step 4: Simplify right side
    14,099.42x = 235,813,930.21
  5. Step 5: Solve for x
    x = 235,813,930.21/14,099.42
  6. Step 6: Final answer
    x = 16,725.08

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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.