Home / 13,877.26-19,153.70-9,576.39

Finding the Fourth Proportional to 13,877.26, 19,153.70 and 9,576.39

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Solution

The fourth proportional to 13,877.26, 19,153.70 and 9,576.39 is: 13,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.26 : 19,153.70 = 9,576.39 : x
  2. Step 2: Convert to fraction form
    13,877.26/19,153.70 = 9,576.39/x
  3. Step 3: Cross multiply
    13,877.26x = 19,153.70 × 9,576.39
  4. Step 4: Simplify right side
    13,877.26x = 183,423,259.99
  5. Step 5: Solve for x
    x = 183,423,259.99/13,877.26
  6. Step 6: Final answer
    x = 13,217.54

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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.