Home / 15,556.74-21,468.51-8,483.46

Finding the Fourth Proportional to 15,556.74, 21,468.51 and 8,483.46

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Solution

The fourth proportional to 15,556.74, 21,468.51 and 8,483.46 is: 11,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.74 : 21,468.51 = 8,483.46 : x
  2. Step 2: Convert to fraction form
    15,556.74/21,468.51 = 8,483.46/x
  3. Step 3: Cross multiply
    15,556.74x = 21,468.51 × 8,483.46
  4. Step 4: Simplify right side
    15,556.74x = 182,127,245.84
  5. Step 5: Solve for x
    x = 182,127,245.84/15,556.74
  6. Step 6: Final answer
    x = 11,707.29

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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.