Home / 21,053.70-29,053.91-11,622.24

Finding the Fourth Proportional to 21,053.70, 29,053.91 and 11,622.24

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Solution

The fourth proportional to 21,053.70, 29,053.91 and 11,622.24 is: 16,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053.70 : 29,053.91 = 11,622.24 : x
  2. Step 2: Convert to fraction form
    21,053.70/29,053.91 = 11,622.24/x
  3. Step 3: Cross multiply
    21,053.70x = 29,053.91 × 11,622.24
  4. Step 4: Simplify right side
    21,053.70x = 337,671,544.01
  5. Step 5: Solve for x
    x = 337,671,544.01/21,053.70
  6. Step 6: Final answer
    x = 16,038.58

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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.