Home / 27,964.70-38,586.90-16,634.60

Finding the Fourth Proportional to 27,964.70, 38,586.90 and 16,634.60

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Solution

The fourth proportional to 27,964.70, 38,586.90 and 16,634.60 is: 22,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.70 : 38,586.90 = 16,634.60 : x
  2. Step 2: Convert to fraction form
    27,964.70/38,586.90 = 16,634.60/x
  3. Step 3: Cross multiply
    27,964.70x = 38,586.90 × 16,634.60
  4. Step 4: Simplify right side
    27,964.70x = 641,877,646.74
  5. Step 5: Solve for x
    x = 641,877,646.74/27,964.70
  6. Step 6: Final answer
    x = 22,953.14

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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.