Home / 14,191.33-21,268.71-13,305.58

Finding the Fourth Proportional to 14,191.33, 21,268.71 and 13,305.58

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Solution

The fourth proportional to 14,191.33, 21,268.71 and 13,305.58 is: 19,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.33 : 21,268.71 = 13,305.58 : x
  2. Step 2: Convert to fraction form
    14,191.33/21,268.71 = 13,305.58/x
  3. Step 3: Cross multiply
    14,191.33x = 21,268.71 × 13,305.58
  4. Step 4: Simplify right side
    14,191.33x = 282,992,522.40
  5. Step 5: Solve for x
    x = 282,992,522.40/14,191.33
  6. Step 6: Final answer
    x = 19,941.23

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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.