Home / 23,133.11-31,923.90-12,522.96

Finding the Fourth Proportional to 23,133.11, 31,923.90 and 12,522.96

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Solution

The fourth proportional to 23,133.11, 31,923.90 and 12,522.96 is: 17,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133.11 : 31,923.90 = 12,522.96 : x
  2. Step 2: Convert to fraction form
    23,133.11/31,923.90 = 12,522.96/x
  3. Step 3: Cross multiply
    23,133.11x = 31,923.90 × 12,522.96
  4. Step 4: Simplify right side
    23,133.11x = 399,781,722.74
  5. Step 5: Solve for x
    x = 399,781,722.74/23,133.11
  6. Step 6: Final answer
    x = 17,281.80

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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.