Home / 18,514.77-25,549.88-10,556.81

Finding the Fourth Proportional to 18,514.77, 25,549.88 and 10,556.81

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Solution

The fourth proportional to 18,514.77, 25,549.88 and 10,556.81 is: 14,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.77 : 25,549.88 = 10,556.81 : x
  2. Step 2: Convert to fraction form
    18,514.77/25,549.88 = 10,556.81/x
  3. Step 3: Cross multiply
    18,514.77x = 25,549.88 × 10,556.81
  4. Step 4: Simplify right side
    18,514.77x = 269,725,228.68
  5. Step 5: Solve for x
    x = 269,725,228.68/18,514.77
  6. Step 6: Final answer
    x = 14,568.11

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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.