Home / 21,057.32-29,059.59-11,626.07

Finding the Fourth Proportional to 21,057.32, 29,059.59 and 11,626.07

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Solution

The fourth proportional to 21,057.32, 29,059.59 and 11,626.07 is: 16,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.32 : 29,059.59 = 11,626.07 : x
  2. Step 2: Convert to fraction form
    21,057.32/29,059.59 = 11,626.07/x
  3. Step 3: Cross multiply
    21,057.32x = 29,059.59 × 11,626.07
  4. Step 4: Simplify right side
    21,057.32x = 337,848,827.51
  5. Step 5: Solve for x
    x = 337,848,827.51/21,057.32
  6. Step 6: Final answer
    x = 16,044.25

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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.