Home / 18,358.02-25,334.55-9,974.52

Finding the Fourth Proportional to 18,358.02, 25,334.55 and 9,974.52

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Solution

The fourth proportional to 18,358.02, 25,334.55 and 9,974.52 is: 13,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.02 : 25,334.55 = 9,974.52 : x
  2. Step 2: Convert to fraction form
    18,358.02/25,334.55 = 9,974.52/x
  3. Step 3: Cross multiply
    18,358.02x = 25,334.55 × 9,974.52
  4. Step 4: Simplify right side
    18,358.02x = 252,699,975.67
  5. Step 5: Solve for x
    x = 252,699,975.67/18,358.02
  6. Step 6: Final answer
    x = 13,765.10

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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.