Home / 18,514.95-25,550.57-10,017.10

Finding the Fourth Proportional to 18,514.95, 25,550.57 and 10,017.10

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Solution

The fourth proportional to 18,514.95, 25,550.57 and 10,017.10 is: 13,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.95 : 25,550.57 = 10,017.10 : x
  2. Step 2: Convert to fraction form
    18,514.95/25,550.57 = 10,017.10/x
  3. Step 3: Cross multiply
    18,514.95x = 25,550.57 × 10,017.10
  4. Step 4: Simplify right side
    18,514.95x = 255,942,436.91
  5. Step 5: Solve for x
    x = 255,942,436.91/18,514.95
  6. Step 6: Final answer
    x = 13,823.56

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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.