Home / 14,214.25-21,293.43-13,405.06

Finding the Fourth Proportional to 14,214.25, 21,293.43 and 13,405.06

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Solution

The fourth proportional to 14,214.25, 21,293.43 and 13,405.06 is: 20,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.25 : 21,293.43 = 13,405.06 : x
  2. Step 2: Convert to fraction form
    14,214.25/21,293.43 = 13,405.06/x
  3. Step 3: Cross multiply
    14,214.25x = 21,293.43 × 13,405.06
  4. Step 4: Simplify right side
    14,214.25x = 285,439,706.76
  5. Step 5: Solve for x
    x = 285,439,706.76/14,214.25
  6. Step 6: Final answer
    x = 20,081.24

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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.