Home / 22,149.16-30,573.24-13,199.47

Finding the Fourth Proportional to 22,149.16, 30,573.24 and 13,199.47

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Solution

The fourth proportional to 22,149.16, 30,573.24 and 13,199.47 is: 18,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149.16 : 30,573.24 = 13,199.47 : x
  2. Step 2: Convert to fraction form
    22,149.16/30,573.24 = 13,199.47/x
  3. Step 3: Cross multiply
    22,149.16x = 30,573.24 × 13,199.47
  4. Step 4: Simplify right side
    22,149.16x = 403,550,411.32
  5. Step 5: Solve for x
    x = 403,550,411.32/22,149.16
  6. Step 6: Final answer
    x = 18,219.68

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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.