Home / 16,972.18-23,426.40-11,937.58

Finding the Fourth Proportional to 16,972.18, 23,426.40 and 11,937.58

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Solution

The fourth proportional to 16,972.18, 23,426.40 and 11,937.58 is: 16,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.18 : 23,426.40 = 11,937.58 : x
  2. Step 2: Convert to fraction form
    16,972.18/23,426.40 = 11,937.58/x
  3. Step 3: Cross multiply
    16,972.18x = 23,426.40 × 11,937.58
  4. Step 4: Simplify right side
    16,972.18x = 279,654,524.11
  5. Step 5: Solve for x
    x = 279,654,524.11/16,972.18
  6. Step 6: Final answer
    x = 16,477.23

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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.