Home / 22,149.03-30,573.08-13,199.34

Finding the Fourth Proportional to 22,149.03, 30,573.08 and 13,199.34

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Solution

The fourth proportional to 22,149.03, 30,573.08 and 13,199.34 is: 18,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149.03 : 30,573.08 = 13,199.34 : x
  2. Step 2: Convert to fraction form
    22,149.03/30,573.08 = 13,199.34/x
  3. Step 3: Cross multiply
    22,149.03x = 30,573.08 × 13,199.34
  4. Step 4: Simplify right side
    22,149.03x = 403,544,411.77
  5. Step 5: Solve for x
    x = 403,544,411.77/22,149.03
  6. Step 6: Final answer
    x = 18,219.51

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.