Home / 18,449.02-25,459.64-10,491.73

Finding the Fourth Proportional to 18,449.02, 25,459.64 and 10,491.73

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Solution

The fourth proportional to 18,449.02, 25,459.64 and 10,491.73 is: 14,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.02 : 25,459.64 = 10,491.73 : x
  2. Step 2: Convert to fraction form
    18,449.02/25,459.64 = 10,491.73/x
  3. Step 3: Cross multiply
    18,449.02x = 25,459.64 × 10,491.73
  4. Step 4: Simplify right side
    18,449.02x = 267,115,668.78
  5. Step 5: Solve for x
    x = 267,115,668.78/18,449.02
  6. Step 6: Final answer
    x = 14,478.58

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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.