Home / 18,549.75-25,598.68-10,891.54

Finding the Fourth Proportional to 18,549.75, 25,598.68 and 10,891.54

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Solution

The fourth proportional to 18,549.75, 25,598.68 and 10,891.54 is: 15,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.75 : 25,598.68 = 10,891.54 : x
  2. Step 2: Convert to fraction form
    18,549.75/25,598.68 = 10,891.54/x
  3. Step 3: Cross multiply
    18,549.75x = 25,598.68 × 10,891.54
  4. Step 4: Simplify right side
    18,549.75x = 278,809,041.21
  5. Step 5: Solve for x
    x = 278,809,041.21/18,549.75
  6. Step 6: Final answer
    x = 15,030.34

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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.