Home / 13,541.04-20,213.46-11,703.96

Finding the Fourth Proportional to 13,541.04, 20,213.46 and 11,703.96

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Solution

The fourth proportional to 13,541.04, 20,213.46 and 11,703.96 is: 17,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.04 : 20,213.46 = 11,703.96 : x
  2. Step 2: Convert to fraction form
    13,541.04/20,213.46 = 11,703.96/x
  3. Step 3: Cross multiply
    13,541.04x = 20,213.46 × 11,703.96
  4. Step 4: Simplify right side
    13,541.04x = 236,577,527.30
  5. Step 5: Solve for x
    x = 236,577,527.30/13,541.04
  6. Step 6: Final answer
    x = 17,471.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.