Home / 18,463.12-25,480.56-10,505.68

Finding the Fourth Proportional to 18,463.12, 25,480.56 and 10,505.68

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Solution

The fourth proportional to 18,463.12, 25,480.56 and 10,505.68 is: 14,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.12 : 25,480.56 = 10,505.68 : x
  2. Step 2: Convert to fraction form
    18,463.12/25,480.56 = 10,505.68/x
  3. Step 3: Cross multiply
    18,463.12x = 25,480.56 × 10,505.68
  4. Step 4: Simplify right side
    18,463.12x = 267,690,609.58
  5. Step 5: Solve for x
    x = 267,690,609.58/18,463.12
  6. Step 6: Final answer
    x = 14,498.67

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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.