Home / 15,620.52-21,556.28-8,546.93

Finding the Fourth Proportional to 15,620.52, 21,556.28 and 8,546.93

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Solution

The fourth proportional to 15,620.52, 21,556.28 and 8,546.93 is: 11,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.52 : 21,556.28 = 8,546.93 : x
  2. Step 2: Convert to fraction form
    15,620.52/21,556.28 = 8,546.93/x
  3. Step 3: Cross multiply
    15,620.52x = 21,556.28 × 8,546.93
  4. Step 4: Simplify right side
    15,620.52x = 184,239,929.81
  5. Step 5: Solve for x
    x = 184,239,929.81/15,620.52
  6. Step 6: Final answer
    x = 11,794.74

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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.