Home / 16,872.78-23,282.43-10,158.30

Finding the Fourth Proportional to 16,872.78, 23,282.43 and 10,158.30

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Solution

The fourth proportional to 16,872.78, 23,282.43 and 10,158.30 is: 14,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.78 : 23,282.43 = 10,158.30 : x
  2. Step 2: Convert to fraction form
    16,872.78/23,282.43 = 10,158.30/x
  3. Step 3: Cross multiply
    16,872.78x = 23,282.43 × 10,158.30
  4. Step 4: Simplify right side
    16,872.78x = 236,509,908.67
  5. Step 5: Solve for x
    x = 236,509,908.67/16,872.78
  6. Step 6: Final answer
    x = 14,017.25

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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.