Home / 13,966.80-20,914.52-13,551.24

Finding the Fourth Proportional to 13,966.80, 20,914.52 and 13,551.24

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Solution

The fourth proportional to 13,966.80, 20,914.52 and 13,551.24 is: 20,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.80 : 20,914.52 = 13,551.24 : x
  2. Step 2: Convert to fraction form
    13,966.80/20,914.52 = 13,551.24/x
  3. Step 3: Cross multiply
    13,966.80x = 20,914.52 × 13,551.24
  4. Step 4: Simplify right side
    13,966.80x = 283,417,680.00
  5. Step 5: Solve for x
    x = 283,417,680.00/13,966.80
  6. Step 6: Final answer
    x = 20,292.24

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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.