Home / 27,611.30-38,104.05-15,674.99

Finding the Fourth Proportional to 27,611.30, 38,104.05 and 15,674.99

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Solution

The fourth proportional to 27,611.30, 38,104.05 and 15,674.99 is: 21,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.30 : 38,104.05 = 15,674.99 : x
  2. Step 2: Convert to fraction form
    27,611.30/38,104.05 = 15,674.99/x
  3. Step 3: Cross multiply
    27,611.30x = 38,104.05 × 15,674.99
  4. Step 4: Simplify right side
    27,611.30x = 597,280,602.71
  5. Step 5: Solve for x
    x = 597,280,602.71/27,611.30
  6. Step 6: Final answer
    x = 21,631.75

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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.