Home / 20,251.74-27,985.98-14,605.02

Finding the Fourth Proportional to 20,251.74, 27,985.98 and 14,605.02

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Solution

The fourth proportional to 20,251.74, 27,985.98 and 14,605.02 is: 20,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.74 : 27,985.98 = 14,605.02 : x
  2. Step 2: Convert to fraction form
    20,251.74/27,985.98 = 14,605.02/x
  3. Step 3: Cross multiply
    20,251.74x = 27,985.98 × 14,605.02
  4. Step 4: Simplify right side
    20,251.74x = 408,735,797.62
  5. Step 5: Solve for x
    x = 408,735,797.62/20,251.74
  6. Step 6: Final answer
    x = 20,182.75

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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.