Home / 16,868.16-23,277.12-9,416.64

Finding the Fourth Proportional to 16,868.16, 23,277.12 and 9,416.64

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Solution

The fourth proportional to 16,868.16, 23,277.12 and 9,416.64 is: 12,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.16 : 23,277.12 = 9,416.64 : x
  2. Step 2: Convert to fraction form
    16,868.16/23,277.12 = 9,416.64/x
  3. Step 3: Cross multiply
    16,868.16x = 23,277.12 × 9,416.64
  4. Step 4: Simplify right side
    16,868.16x = 219,192,259.28
  5. Step 5: Solve for x
    x = 219,192,259.28/16,868.16
  6. Step 6: Final answer
    x = 12,994.44

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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.