Home / 15,556.98-21,468.44-8,483.46

Finding the Fourth Proportional to 15,556.98, 21,468.44 and 8,483.46

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Solution

The fourth proportional to 15,556.98, 21,468.44 and 8,483.46 is: 11,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.98 : 21,468.44 = 8,483.46 : x
  2. Step 2: Convert to fraction form
    15,556.98/21,468.44 = 8,483.46/x
  3. Step 3: Cross multiply
    15,556.98x = 21,468.44 × 8,483.46
  4. Step 4: Simplify right side
    15,556.98x = 182,126,652.00
  5. Step 5: Solve for x
    x = 182,126,652.00/15,556.98
  6. Step 6: Final answer
    x = 11,707.07

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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.