Home / 20,038.14-27,650.34-11,084.40

Finding the Fourth Proportional to 20,038.14, 27,650.34 and 11,084.40

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Solution

The fourth proportional to 20,038.14, 27,650.34 and 11,084.40 is: 15,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.14 : 27,650.34 = 11,084.40 : x
  2. Step 2: Convert to fraction form
    20,038.14/27,650.34 = 11,084.40/x
  3. Step 3: Cross multiply
    20,038.14x = 27,650.34 × 11,084.40
  4. Step 4: Simplify right side
    20,038.14x = 306,487,428.70
  5. Step 5: Solve for x
    x = 306,487,428.70/20,038.14
  6. Step 6: Final answer
    x = 15,295.20

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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.