Home / 21,551.26-29,733.82-13,050.67

Finding the Fourth Proportional to 21,551.26, 29,733.82 and 13,050.67

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Solution

The fourth proportional to 21,551.26, 29,733.82 and 13,050.67 is: 18,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.26 : 29,733.82 = 13,050.67 : x
  2. Step 2: Convert to fraction form
    21,551.26/29,733.82 = 13,050.67/x
  3. Step 3: Cross multiply
    21,551.26x = 29,733.82 × 13,050.67
  4. Step 4: Simplify right side
    21,551.26x = 388,046,058.74
  5. Step 5: Solve for x
    x = 388,046,058.74/21,551.26
  6. Step 6: Final answer
    x = 18,005.72

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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.