Home / 13,431.44-18,535.02-7,462.95

Finding the Fourth Proportional to 13,431.44, 18,535.02 and 7,462.95

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Solution

The fourth proportional to 13,431.44, 18,535.02 and 7,462.95 is: 10,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431.44 : 18,535.02 = 7,462.95 : x
  2. Step 2: Convert to fraction form
    13,431.44/18,535.02 = 7,462.95/x
  3. Step 3: Cross multiply
    13,431.44x = 18,535.02 × 7,462.95
  4. Step 4: Simplify right side
    13,431.44x = 138,325,958.65
  5. Step 5: Solve for x
    x = 138,325,958.65/13,431.44
  6. Step 6: Final answer
    x = 10,298.67

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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.