Home / 16,638.75-22,961.46-10,670.40

Finding the Fourth Proportional to 16,638.75, 22,961.46 and 10,670.40

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Solution

The fourth proportional to 16,638.75, 22,961.46 and 10,670.40 is: 14,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.75 : 22,961.46 = 10,670.40 : x
  2. Step 2: Convert to fraction form
    16,638.75/22,961.46 = 10,670.40/x
  3. Step 3: Cross multiply
    16,638.75x = 22,961.46 × 10,670.40
  4. Step 4: Simplify right side
    16,638.75x = 245,007,962.78
  5. Step 5: Solve for x
    x = 245,007,962.78/16,638.75
  6. Step 6: Final answer
    x = 14,725.14

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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.