Home / 21,034.27-29,025.57-11,602.81

Finding the Fourth Proportional to 21,034.27, 29,025.57 and 11,602.81

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Solution

The fourth proportional to 21,034.27, 29,025.57 and 11,602.81 is: 16,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.27 : 29,025.57 = 11,602.81 : x
  2. Step 2: Convert to fraction form
    21,034.27/29,025.57 = 11,602.81/x
  3. Step 3: Cross multiply
    21,034.27x = 29,025.57 × 11,602.81
  4. Step 4: Simplify right side
    21,034.27x = 336,778,173.85
  5. Step 5: Solve for x
    x = 336,778,173.85/21,034.27
  6. Step 6: Final answer
    x = 16,010.93

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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.