Home / 18,433.59-27,622.36-13,506.49

Finding the Fourth Proportional to 18,433.59, 27,622.36 and 13,506.49

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Solution

The fourth proportional to 18,433.59, 27,622.36 and 13,506.49 is: 20,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.59 : 27,622.36 = 13,506.49 : x
  2. Step 2: Convert to fraction form
    18,433.59/27,622.36 = 13,506.49/x
  3. Step 3: Cross multiply
    18,433.59x = 27,622.36 × 13,506.49
  4. Step 4: Simplify right side
    18,433.59x = 373,081,129.12
  5. Step 5: Solve for x
    x = 373,081,129.12/18,433.59
  6. Step 6: Final answer
    x = 20,239.20

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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.