Home / 21,083.22-31,627.26-5,502.06

Finding the Fourth Proportional to 21,083.22, 31,627.26 and 5,502.06

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Solution

The fourth proportional to 21,083.22, 31,627.26 and 5,502.06 is: 8,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.22 : 31,627.26 = 5,502.06 : x
  2. Step 2: Convert to fraction form
    21,083.22/31,627.26 = 5,502.06/x
  3. Step 3: Cross multiply
    21,083.22x = 31,627.26 × 5,502.06
  4. Step 4: Simplify right side
    21,083.22x = 174,015,082.16
  5. Step 5: Solve for x
    x = 174,015,082.16/21,083.22
  6. Step 6: Final answer
    x = 8,253.72

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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.