Home / 21,348.87-29,434.06-17,506.36

Finding the Fourth Proportional to 21,348.87, 29,434.06 and 17,506.36

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Solution

The fourth proportional to 21,348.87, 29,434.06 and 17,506.36 is: 24,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.87 : 29,434.06 = 17,506.36 : x
  2. Step 2: Convert to fraction form
    21,348.87/29,434.06 = 17,506.36/x
  3. Step 3: Cross multiply
    21,348.87x = 29,434.06 × 17,506.36
  4. Step 4: Simplify right side
    21,348.87x = 515,283,250.62
  5. Step 5: Solve for x
    x = 515,283,250.62/21,348.87
  6. Step 6: Final answer
    x = 24,136.32

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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.