Home / 13,462.24-20,182.02-6,438.28

Finding the Fourth Proportional to 13,462.24, 20,182.02 and 6,438.28

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Solution

The fourth proportional to 13,462.24, 20,182.02 and 6,438.28 is: 9,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.24 : 20,182.02 = 6,438.28 : x
  2. Step 2: Convert to fraction form
    13,462.24/20,182.02 = 6,438.28/x
  3. Step 3: Cross multiply
    13,462.24x = 20,182.02 × 6,438.28
  4. Step 4: Simplify right side
    13,462.24x = 129,937,495.73
  5. Step 5: Solve for x
    x = 129,937,495.73/13,462.24
  6. Step 6: Final answer
    x = 9,652.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.