Home / 20,483.01-28,262.52-11,530.89

Finding the Fourth Proportional to 20,483.01, 28,262.52 and 11,530.89

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Solution

The fourth proportional to 20,483.01, 28,262.52 and 11,530.89 is: 15,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483.01 : 28,262.52 = 11,530.89 : x
  2. Step 2: Convert to fraction form
    20,483.01/28,262.52 = 11,530.89/x
  3. Step 3: Cross multiply
    20,483.01x = 28,262.52 × 11,530.89
  4. Step 4: Simplify right side
    20,483.01x = 325,892,009.24
  5. Step 5: Solve for x
    x = 325,892,009.24/20,483.01
  6. Step 6: Final answer
    x = 15,910.36

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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.