Home / 22,155.03-30,573.18-13,197.88

Finding the Fourth Proportional to 22,155.03, 30,573.18 and 13,197.88

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Solution

The fourth proportional to 22,155.03, 30,573.18 and 13,197.88 is: 18,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.03 : 30,573.18 = 13,197.88 : x
  2. Step 2: Convert to fraction form
    22,155.03/30,573.18 = 13,197.88/x
  3. Step 3: Cross multiply
    22,155.03x = 30,573.18 × 13,197.88
  4. Step 4: Simplify right side
    22,155.03x = 403,501,199.07
  5. Step 5: Solve for x
    x = 403,501,199.07/22,155.03
  6. Step 6: Final answer
    x = 18,212.62

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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.