Home / 13,927.80-20,898.86-9,251.04

Finding the Fourth Proportional to 13,927.80, 20,898.86 and 9,251.04

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Solution

The fourth proportional to 13,927.80, 20,898.86 and 9,251.04 is: 13,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.80 : 20,898.86 = 9,251.04 : x
  2. Step 2: Convert to fraction form
    13,927.80/20,898.86 = 9,251.04/x
  3. Step 3: Cross multiply
    13,927.80x = 20,898.86 × 9,251.04
  4. Step 4: Simplify right side
    13,927.80x = 193,336,189.81
  5. Step 5: Solve for x
    x = 193,336,189.81/13,927.80
  6. Step 6: Final answer
    x = 13,881.32

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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.