Home / 16,972.25-23,419.68-9,416.77

Finding the Fourth Proportional to 16,972.25, 23,419.68 and 9,416.77

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Solution

The fourth proportional to 16,972.25, 23,419.68 and 9,416.77 is: 12,994.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.25 : 23,419.68 = 9,416.77 : x
  2. Step 2: Convert to fraction form
    16,972.25/23,419.68 = 9,416.77/x
  3. Step 3: Cross multiply
    16,972.25x = 23,419.68 × 9,416.77
  4. Step 4: Simplify right side
    16,972.25x = 220,537,830.88
  5. Step 5: Solve for x
    x = 220,537,830.88/16,972.25
  6. Step 6: Final answer
    x = 12,994.02

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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.