Home / 23,021.74-31,769.30-12,950.74

Finding the Fourth Proportional to 23,021.74, 31,769.30 and 12,950.74

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Solution

The fourth proportional to 23,021.74, 31,769.30 and 12,950.74 is: 17,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.74 : 31,769.30 = 12,950.74 : x
  2. Step 2: Convert to fraction form
    23,021.74/31,769.30 = 12,950.74/x
  3. Step 3: Cross multiply
    23,021.74x = 31,769.30 × 12,950.74
  4. Step 4: Simplify right side
    23,021.74x = 411,435,944.28
  5. Step 5: Solve for x
    x = 411,435,944.28/23,021.74
  6. Step 6: Final answer
    x = 17,871.63

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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.