Home / 14,807.56-20,399.28-10,323.20

Finding the Fourth Proportional to 14,807.56, 20,399.28 and 10,323.20

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Solution

The fourth proportional to 14,807.56, 20,399.28 and 10,323.20 is: 14,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.56 : 20,399.28 = 10,323.20 : x
  2. Step 2: Convert to fraction form
    14,807.56/20,399.28 = 10,323.20/x
  3. Step 3: Cross multiply
    14,807.56x = 20,399.28 × 10,323.20
  4. Step 4: Simplify right side
    14,807.56x = 210,585,847.30
  5. Step 5: Solve for x
    x = 210,585,847.30/14,807.56
  6. Step 6: Final answer
    x = 14,221.51

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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.