Home / 27,574.56-38,053.68-15,000.12

Finding the Fourth Proportional to 27,574.56, 38,053.68 and 15,000.12

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Solution

The fourth proportional to 27,574.56, 38,053.68 and 15,000.12 is: 20,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,574.56 : 38,053.68 = 15,000.12 : x
  2. Step 2: Convert to fraction form
    27,574.56/38,053.68 = 15,000.12/x
  3. Step 3: Cross multiply
    27,574.56x = 38,053.68 × 15,000.12
  4. Step 4: Simplify right side
    27,574.56x = 570,809,766.44
  5. Step 5: Solve for x
    x = 570,809,766.44/27,574.56
  6. Step 6: Final answer
    x = 20,700.59

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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.