Home / 20,284.59-27,992.46-11,332.23

Finding the Fourth Proportional to 20,284.59, 27,992.46 and 11,332.23

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Solution

The fourth proportional to 20,284.59, 27,992.46 and 11,332.23 is: 15,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.59 : 27,992.46 = 11,332.23 : x
  2. Step 2: Convert to fraction form
    20,284.59/27,992.46 = 11,332.23/x
  3. Step 3: Cross multiply
    20,284.59x = 27,992.46 × 11,332.23
  4. Step 4: Simplify right side
    20,284.59x = 317,216,994.99
  5. Step 5: Solve for x
    x = 317,216,994.99/20,284.59
  6. Step 6: Final answer
    x = 15,638.32

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Half scale
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Double scale
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Similar ratio
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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.