Home / 27,688.50-41,532.36-12,889.14

Finding the Fourth Proportional to 27,688.50, 41,532.36 and 12,889.14

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Solution

The fourth proportional to 27,688.50, 41,532.36 and 12,889.14 is: 19,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.50 : 41,532.36 = 12,889.14 : x
  2. Step 2: Convert to fraction form
    27,688.50/41,532.36 = 12,889.14/x
  3. Step 3: Cross multiply
    27,688.50x = 41,532.36 × 12,889.14
  4. Step 4: Simplify right side
    27,688.50x = 535,316,402.57
  5. Step 5: Solve for x
    x = 535,316,402.57/27,688.50
  6. Step 6: Final answer
    x = 19,333.53

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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.