Home / 16,972.26-23,418.88-9,417.39

Finding the Fourth Proportional to 16,972.26, 23,418.88 and 9,417.39

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Solution

The fourth proportional to 16,972.26, 23,418.88 and 9,417.39 is: 12,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.26 : 23,418.88 = 9,417.39 : x
  2. Step 2: Convert to fraction form
    16,972.26/23,418.88 = 9,417.39/x
  3. Step 3: Cross multiply
    16,972.26x = 23,418.88 × 9,417.39
  4. Step 4: Simplify right side
    16,972.26x = 220,544,726.32
  5. Step 5: Solve for x
    x = 220,544,726.32/16,972.26
  6. Step 6: Final answer
    x = 12,994.42

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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.