Home / 13,873.02-20,847.20-7,302.30

Finding the Fourth Proportional to 13,873.02, 20,847.20 and 7,302.30

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Solution

The fourth proportional to 13,873.02, 20,847.20 and 7,302.30 is: 10,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.02 : 20,847.20 = 7,302.30 : x
  2. Step 2: Convert to fraction form
    13,873.02/20,847.20 = 7,302.30/x
  3. Step 3: Cross multiply
    13,873.02x = 20,847.20 × 7,302.30
  4. Step 4: Simplify right side
    13,873.02x = 152,232,472.05
  5. Step 5: Solve for x
    x = 152,232,472.05/13,873.02
  6. Step 6: Final answer
    x = 10,973.28

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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.