Home / 14,591.08-21,739.71-13,636.29

Finding the Fourth Proportional to 14,591.08, 21,739.71 and 13,636.29

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Solution

The fourth proportional to 14,591.08, 21,739.71 and 13,636.29 is: 20,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.08 : 21,739.71 = 13,636.29 : x
  2. Step 2: Convert to fraction form
    14,591.08/21,739.71 = 13,636.29/x
  3. Step 3: Cross multiply
    14,591.08x = 21,739.71 × 13,636.29
  4. Step 4: Simplify right side
    14,591.08x = 296,448,990.08
  5. Step 5: Solve for x
    x = 296,448,990.08/14,591.08
  6. Step 6: Final answer
    x = 20,317.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.