Home / 13,943.11-20,914.69-9,801.62

Finding the Fourth Proportional to 13,943.11, 20,914.69 and 9,801.62

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Solution

The fourth proportional to 13,943.11, 20,914.69 and 9,801.62 is: 14,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.11 : 20,914.69 = 9,801.62 : x
  2. Step 2: Convert to fraction form
    13,943.11/20,914.69 = 9,801.62/x
  3. Step 3: Cross multiply
    13,943.11x = 20,914.69 × 9,801.62
  4. Step 4: Simplify right side
    13,943.11x = 204,997,908.34
  5. Step 5: Solve for x
    x = 204,997,908.34/13,943.11
  6. Step 6: Final answer
    x = 14,702.45

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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.