Home / 23,170.90-31,956.80-14,212.10

Finding the Fourth Proportional to 23,170.90, 31,956.80 and 14,212.10

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Solution

The fourth proportional to 23,170.90, 31,956.80 and 14,212.10 is: 19,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.90 : 31,956.80 = 14,212.10 : x
  2. Step 2: Convert to fraction form
    23,170.90/31,956.80 = 14,212.10/x
  3. Step 3: Cross multiply
    23,170.90x = 31,956.80 × 14,212.10
  4. Step 4: Simplify right side
    23,170.90x = 454,173,006.44
  5. Step 5: Solve for x
    x = 454,173,006.44/23,170.90
  6. Step 6: Final answer
    x = 19,601.01

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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.