Home / 21,033.15-29,025.23-11,601.51

Finding the Fourth Proportional to 21,033.15, 29,025.23 and 11,601.51

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Solution

The fourth proportional to 21,033.15, 29,025.23 and 11,601.51 is: 16,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.15 : 29,025.23 = 11,601.51 : x
  2. Step 2: Convert to fraction form
    21,033.15/29,025.23 = 11,601.51/x
  3. Step 3: Cross multiply
    21,033.15x = 29,025.23 × 11,601.51
  4. Step 4: Simplify right side
    21,033.15x = 336,736,496.10
  5. Step 5: Solve for x
    x = 336,736,496.10/21,033.15
  6. Step 6: Final answer
    x = 16,009.80

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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.